Minor bump `base` version to 4.8.1.0

We've accumulated enough to justify a minor version bump to 4.8.1.0,
but not enough to justify a major version bump yet as far as I can see.

69 files changed, 83 insertions, 77 deletions

diff --git a/libraries/base/base.cabal b/libraries/base/base.cabal
index 64ab7085a6..9b16ccadd1 100644
--- a/libraries/base/base.cabal
+++ b/libraries/base/base.cabal
@@ -1,5 +1,5 @@
 name:           base
-version:        4.8.0.0
+version:        4.8.1.0
 -- NOTE: Don't forget to update ./changelog.md
 license:        BSD3
 license-file:   LICENSE
diff --git a/testsuite/tests/cabal/cabal06/q/q-1.0.conf b/testsuite/tests/cabal/cabal06/q/q-1.0.conf
index 1572d4017d..61e4037410 100644
--- a/testsuite/tests/cabal/cabal06/q/q-1.0.conf
+++ b/testsuite/tests/cabal/cabal06/q/q-1.0.conf
@@ -13,7 +13,7 @@ trusted: False
 import-dirs: /5playpen/t-edyang/ghc-backpack/testsuite/tests/cabal/cabal06/inst-d/lib/x86_64-linux-ghc-7.9.20140719/q-1.0
 library-dirs: /5playpen/t-edyang/ghc-backpack/testsuite/tests/cabal/cabal06/inst-d/lib/x86_64-linux-ghc-7.9.20140719/q-1.0
 hs-libraries: HSd54a904d84001e92dbb7d30e2bede8ce
-depends: base-4.8.0.0-inplace
+depends: base-4.8.1.0-inplace
          p-1.0-168289aa0216a183a2729001bb18e7a8
 haddock-interfaces: /5playpen/t-edyang/ghc-backpack/testsuite/tests/cabal/cabal06/inst-d/share/doc/x86_64-linux-ghc-7.9.20140719/q-1.0/html/q.haddock
 haddock-html: /5playpen/t-edyang/ghc-backpack/testsuite/tests/cabal/cabal06/inst-d/share/doc/x86_64-linux-ghc-7.9.20140719/q-1.0/html
diff --git a/testsuite/tests/ghci/scripts/ghci008.stdout b/testsuite/tests/ghci/scripts/ghci008.stdout
index 9d9c26ecb1..8aec1602a6 100644
--- a/testsuite/tests/ghci/scripts/ghci008.stdout
+++ b/testsuite/tests/ghci/scripts/ghci008.stdout
@@ -32,5 +32,5 @@ class (RealFrac a, Floating a) => RealFloat a where
   	-- Defined in ‘GHC.Float’
 instance RealFloat Float -- Defined in ‘GHC.Float’
 instance RealFloat Double -- Defined in ‘GHC.Float’
-base-4.8.0.0:Data.OldList.isPrefixOf :: Eq a => [a] -> [a] -> Bool
-  	-- Defined in ‘base-4.8.0.0:Data.OldList’
+base-4.8.1.0:Data.OldList.isPrefixOf :: Eq a => [a] -> [a] -> Bool
+  	-- Defined in ‘base-4.8.1.0:Data.OldList’
diff --git a/testsuite/tests/indexed-types/should_compile/T3017.stderr b/testsuite/tests/indexed-types/should_compile/T3017.stderr
index ab480b49b0..ee83f16325 100644
--- a/testsuite/tests/indexed-types/should_compile/T3017.stderr
+++ b/testsuite/tests/indexed-types/should_compile/T3017.stderr
@@ -16,5 +16,5 @@ INSTANCES
 FAMILY INSTANCES
   type Elem (ListColl a)
 Dependent modules: []
-Dependent packages: [base-4.8.0.0, ghc-prim-0.4.0.0,
+Dependent packages: [base-4.8.1.0, ghc-prim-0.4.0.0,
                      integer-gmp-1.0.0.0]
diff --git a/testsuite/tests/partial-sigs/should_compile/ADT.stderr b/testsuite/tests/partial-sigs/should_compile/ADT.stderr
index 2dccd92545..ff9602e6b5 100644
--- a/testsuite/tests/partial-sigs/should_compile/ADT.stderr
+++ b/testsuite/tests/partial-sigs/should_compile/ADT.stderr
@@ -5,5 +5,5 @@ TYPE CONSTRUCTORS
     Promotable
 COERCION AXIOMS
 Dependent modules: []
-Dependent packages: [base-4.8.0.0, ghc-prim-0.4.0.0,
+Dependent packages: [base-4.8.1.0, ghc-prim-0.4.0.0,
                      integer-gmp-1.0.0.0]
diff --git a/testsuite/tests/partial-sigs/should_compile/AddAndOr1.stderr b/testsuite/tests/partial-sigs/should_compile/AddAndOr1.stderr
index acd08095ed..eae33e91b7 100644
--- a/testsuite/tests/partial-sigs/should_compile/AddAndOr1.stderr
+++ b/testsuite/tests/partial-sigs/should_compile/AddAndOr1.stderr
@@ -3,5 +3,5 @@ TYPE SIGNATURES
 TYPE CONSTRUCTORS
 COERCION AXIOMS
 Dependent modules: []
-Dependent packages: [base-4.8.0.0, ghc-prim-0.4.0.0,
+Dependent packages: [base-4.8.1.0, ghc-prim-0.4.0.0,
                      integer-gmp-1.0.0.0]
diff --git a/testsuite/tests/partial-sigs/should_compile/AddAndOr2.stderr b/testsuite/tests/partial-sigs/should_compile/AddAndOr2.stderr
index 9c55bb1f2f..75a2cf71e6 100644
--- a/testsuite/tests/partial-sigs/should_compile/AddAndOr2.stderr
+++ b/testsuite/tests/partial-sigs/should_compile/AddAndOr2.stderr
@@ -3,5 +3,5 @@ TYPE SIGNATURES
 TYPE CONSTRUCTORS
 COERCION AXIOMS
 Dependent modules: []
-Dependent packages: [base-4.8.0.0, ghc-prim-0.4.0.0,
+Dependent packages: [base-4.8.1.0, ghc-prim-0.4.0.0,
                      integer-gmp-1.0.0.0]
diff --git a/testsuite/tests/partial-sigs/should_compile/AddAndOr3.stderr b/testsuite/tests/partial-sigs/should_compile/AddAndOr3.stderr
index 7d7d3bb726..73eccee6fa 100644
--- a/testsuite/tests/partial-sigs/should_compile/AddAndOr3.stderr
+++ b/testsuite/tests/partial-sigs/should_compile/AddAndOr3.stderr
@@ -3,5 +3,5 @@ TYPE SIGNATURES
 TYPE CONSTRUCTORS
 COERCION AXIOMS
 Dependent modules: []
-Dependent packages: [base-4.8.0.0, ghc-prim-0.4.0.0,
+Dependent packages: [base-4.8.1.0, ghc-prim-0.4.0.0,
                      integer-gmp-1.0.0.0]
diff --git a/testsuite/tests/partial-sigs/should_compile/AddAndOr4.stderr b/testsuite/tests/partial-sigs/should_compile/AddAndOr4.stderr
index 7f1dd30eda..b2cdee61b0 100644
--- a/testsuite/tests/partial-sigs/should_compile/AddAndOr4.stderr
+++ b/testsuite/tests/partial-sigs/should_compile/AddAndOr4.stderr
@@ -3,5 +3,5 @@ TYPE SIGNATURES
 TYPE CONSTRUCTORS
 COERCION AXIOMS
 Dependent modules: []
-Dependent packages: [base-4.8.0.0, ghc-prim-0.4.0.0,
+Dependent packages: [base-4.8.1.0, ghc-prim-0.4.0.0,
                      integer-gmp-1.0.0.0]
diff --git a/testsuite/tests/partial-sigs/should_compile/AddAndOr5.stderr b/testsuite/tests/partial-sigs/should_compile/AddAndOr5.stderr
index bbbed0d413..e0a599c671 100644
--- a/testsuite/tests/partial-sigs/should_compile/AddAndOr5.stderr
+++ b/testsuite/tests/partial-sigs/should_compile/AddAndOr5.stderr
@@ -3,5 +3,5 @@ TYPE SIGNATURES
 TYPE CONSTRUCTORS
 COERCION AXIOMS
 Dependent modules: []
-Dependent packages: [base-4.8.0.0, ghc-prim-0.4.0.0,
+Dependent packages: [base-4.8.1.0, ghc-prim-0.4.0.0,
                      integer-gmp-1.0.0.0]
diff --git a/testsuite/tests/partial-sigs/should_compile/AddAndOr6.stderr b/testsuite/tests/partial-sigs/should_compile/AddAndOr6.stderr
index 44f74b9300..c00cf6e643 100644
--- a/testsuite/tests/partial-sigs/should_compile/AddAndOr6.stderr
+++ b/testsuite/tests/partial-sigs/should_compile/AddAndOr6.stderr
@@ -3,5 +3,5 @@ TYPE SIGNATURES
 TYPE CONSTRUCTORS
 COERCION AXIOMS
 Dependent modules: []
-Dependent packages: [base-4.8.0.0, ghc-prim-0.4.0.0,
+Dependent packages: [base-4.8.1.0, ghc-prim-0.4.0.0,
                      integer-gmp-1.0.0.0]
diff --git a/testsuite/tests/partial-sigs/should_compile/BoolToBool.stderr b/testsuite/tests/partial-sigs/should_compile/BoolToBool.stderr
index e7865eff7e..ac5475196d 100644
--- a/testsuite/tests/partial-sigs/should_compile/BoolToBool.stderr
+++ b/testsuite/tests/partial-sigs/should_compile/BoolToBool.stderr
@@ -3,5 +3,5 @@ TYPE SIGNATURES
 TYPE CONSTRUCTORS
 COERCION AXIOMS
 Dependent modules: []
-Dependent packages: [base-4.8.0.0, ghc-prim-0.4.0.0,
+Dependent packages: [base-4.8.1.0, ghc-prim-0.4.0.0,
                      integer-gmp-1.0.0.0]
diff --git a/testsuite/tests/partial-sigs/should_compile/Defaulting1MROn.stderr b/testsuite/tests/partial-sigs/should_compile/Defaulting1MROn.stderr
index f81efb1d69..e77c1617fd 100644
--- a/testsuite/tests/partial-sigs/should_compile/Defaulting1MROn.stderr
+++ b/testsuite/tests/partial-sigs/should_compile/Defaulting1MROn.stderr
@@ -3,5 +3,5 @@ TYPE SIGNATURES
 TYPE CONSTRUCTORS
 COERCION AXIOMS
 Dependent modules: []
-Dependent packages: [base-4.8.0.0, ghc-prim-0.4.0.0,
+Dependent packages: [base-4.8.1.0, ghc-prim-0.4.0.0,
                      integer-gmp-1.0.0.0]
diff --git a/testsuite/tests/partial-sigs/should_compile/Defaulting2MROff.stderr b/testsuite/tests/partial-sigs/should_compile/Defaulting2MROff.stderr
index 5418eb5cac..ddc002ba09 100644
--- a/testsuite/tests/partial-sigs/should_compile/Defaulting2MROff.stderr
+++ b/testsuite/tests/partial-sigs/should_compile/Defaulting2MROff.stderr
@@ -3,5 +3,5 @@ TYPE SIGNATURES
 TYPE CONSTRUCTORS
 COERCION AXIOMS
 Dependent modules: []
-Dependent packages: [base-4.8.0.0, ghc-prim-0.4.0.0,
+Dependent packages: [base-4.8.1.0, ghc-prim-0.4.0.0,
                      integer-gmp-1.0.0.0]
diff --git a/testsuite/tests/partial-sigs/should_compile/Defaulting2MROn.stderr b/testsuite/tests/partial-sigs/should_compile/Defaulting2MROn.stderr
index 65a7bc7ff1..b26e11cdec 100644
--- a/testsuite/tests/partial-sigs/should_compile/Defaulting2MROn.stderr
+++ b/testsuite/tests/partial-sigs/should_compile/Defaulting2MROn.stderr
@@ -3,5 +3,5 @@ TYPE SIGNATURES
 TYPE CONSTRUCTORS
 COERCION AXIOMS
 Dependent modules: []
-Dependent packages: [base-4.8.0.0, ghc-prim-0.4.0.0,
+Dependent packages: [base-4.8.1.0, ghc-prim-0.4.0.0,
                      integer-gmp-1.0.0.0]
diff --git a/testsuite/tests/partial-sigs/should_compile/Either.stderr b/testsuite/tests/partial-sigs/should_compile/Either.stderr
index 11aaf4d5db..c6aa20a303 100644
--- a/testsuite/tests/partial-sigs/should_compile/Either.stderr
+++ b/testsuite/tests/partial-sigs/should_compile/Either.stderr
@@ -3,5 +3,5 @@ TYPE SIGNATURES
 TYPE CONSTRUCTORS
 COERCION AXIOMS
 Dependent modules: []
-Dependent packages: [base-4.8.0.0, ghc-prim-0.4.0.0,
+Dependent packages: [base-4.8.1.0, ghc-prim-0.4.0.0,
                      integer-gmp-1.0.0.0]
diff --git a/testsuite/tests/partial-sigs/should_compile/EqualityConstraint.stderr b/testsuite/tests/partial-sigs/should_compile/EqualityConstraint.stderr
index 269a6116fb..e1f6a2d6d3 100644
--- a/testsuite/tests/partial-sigs/should_compile/EqualityConstraint.stderr
+++ b/testsuite/tests/partial-sigs/should_compile/EqualityConstraint.stderr
@@ -3,5 +3,5 @@ TYPE SIGNATURES
 TYPE CONSTRUCTORS
 COERCION AXIOMS
 Dependent modules: []
-Dependent packages: [base-4.8.0.0, ghc-prim-0.3.1.0,
+Dependent packages: [base-4.8.1.0, ghc-prim-0.3.1.0,
                      integer-gmp-0.5.1.0]
diff --git a/testsuite/tests/partial-sigs/should_compile/Every.stderr b/testsuite/tests/partial-sigs/should_compile/Every.stderr
index caa57db5bf..3b87657b44 100644
--- a/testsuite/tests/partial-sigs/should_compile/Every.stderr
+++ b/testsuite/tests/partial-sigs/should_compile/Every.stderr
@@ -3,5 +3,5 @@ TYPE SIGNATURES
 TYPE CONSTRUCTORS
 COERCION AXIOMS
 Dependent modules: []
-Dependent packages: [base-4.8.0.0, ghc-prim-0.4.0.0,
+Dependent packages: [base-4.8.1.0, ghc-prim-0.4.0.0,
                      integer-gmp-1.0.0.0]
diff --git a/testsuite/tests/partial-sigs/should_compile/EveryNamed.stderr b/testsuite/tests/partial-sigs/should_compile/EveryNamed.stderr
index e04c2de1c0..16ea275142 100644
--- a/testsuite/tests/partial-sigs/should_compile/EveryNamed.stderr
+++ b/testsuite/tests/partial-sigs/should_compile/EveryNamed.stderr
@@ -3,5 +3,5 @@ TYPE SIGNATURES
 TYPE CONSTRUCTORS
 COERCION AXIOMS
 Dependent modules: []
-Dependent packages: [base-4.8.0.0, ghc-prim-0.4.0.0,
+Dependent packages: [base-4.8.1.0, ghc-prim-0.4.0.0,
                      integer-gmp-1.0.0.0]
diff --git a/testsuite/tests/partial-sigs/should_compile/ExpressionSig.stderr b/testsuite/tests/partial-sigs/should_compile/ExpressionSig.stderr
index e7865eff7e..ac5475196d 100644
--- a/testsuite/tests/partial-sigs/should_compile/ExpressionSig.stderr
+++ b/testsuite/tests/partial-sigs/should_compile/ExpressionSig.stderr
@@ -3,5 +3,5 @@ TYPE SIGNATURES
 TYPE CONSTRUCTORS
 COERCION AXIOMS
 Dependent modules: []
-Dependent packages: [base-4.8.0.0, ghc-prim-0.4.0.0,
+Dependent packages: [base-4.8.1.0, ghc-prim-0.4.0.0,
                      integer-gmp-1.0.0.0]
diff --git a/testsuite/tests/partial-sigs/should_compile/ExpressionSigNamed.stderr b/testsuite/tests/partial-sigs/should_compile/ExpressionSigNamed.stderr
index e7865eff7e..ac5475196d 100644
--- a/testsuite/tests/partial-sigs/should_compile/ExpressionSigNamed.stderr
+++ b/testsuite/tests/partial-sigs/should_compile/ExpressionSigNamed.stderr
@@ -3,5 +3,5 @@ TYPE SIGNATURES
 TYPE CONSTRUCTORS
 COERCION AXIOMS
 Dependent modules: []
-Dependent packages: [base-4.8.0.0, ghc-prim-0.4.0.0,
+Dependent packages: [base-4.8.1.0, ghc-prim-0.4.0.0,
                      integer-gmp-1.0.0.0]
diff --git a/testsuite/tests/partial-sigs/should_compile/ExtraConstraints1.stderr b/testsuite/tests/partial-sigs/should_compile/ExtraConstraints1.stderr
index 05ccb61572..0d1f3fd609 100644
--- a/testsuite/tests/partial-sigs/should_compile/ExtraConstraints1.stderr
+++ b/testsuite/tests/partial-sigs/should_compile/ExtraConstraints1.stderr
@@ -7,5 +7,5 @@ TYPE SIGNATURES
 TYPE CONSTRUCTORS
 COERCION AXIOMS
 Dependent modules: []
-Dependent packages: [base-4.8.0.0, ghc-prim-0.4.0.0,
+Dependent packages: [base-4.8.1.0, ghc-prim-0.4.0.0,
                      integer-gmp-1.0.0.0]
diff --git a/testsuite/tests/partial-sigs/should_compile/ExtraConstraints2.stderr b/testsuite/tests/partial-sigs/should_compile/ExtraConstraints2.stderr
index 19b4544224..d124eb8867 100644
--- a/testsuite/tests/partial-sigs/should_compile/ExtraConstraints2.stderr
+++ b/testsuite/tests/partial-sigs/should_compile/ExtraConstraints2.stderr
@@ -3,5 +3,5 @@ TYPE SIGNATURES
 TYPE CONSTRUCTORS
 COERCION AXIOMS
 Dependent modules: []
-Dependent packages: [base-4.8.0.0, ghc-prim-0.4.0.0,
+Dependent packages: [base-4.8.1.0, ghc-prim-0.4.0.0,
                      integer-gmp-1.0.0.0]
diff --git a/testsuite/tests/partial-sigs/should_compile/ExtraConstraints3.stderr b/testsuite/tests/partial-sigs/should_compile/ExtraConstraints3.stderr
index e43150970f..18f8807e74 100644
--- a/testsuite/tests/partial-sigs/should_compile/ExtraConstraints3.stderr
+++ b/testsuite/tests/partial-sigs/should_compile/ExtraConstraints3.stderr
@@ -230,5 +230,5 @@ TYPE SIGNATURES
 TYPE CONSTRUCTORS
 COERCION AXIOMS
 Dependent modules: []
-Dependent packages: [base-4.8.0.0, ghc-prim-0.4.0.0,
+Dependent packages: [base-4.8.1.0, ghc-prim-0.4.0.0,
                      integer-gmp-1.0.0.0]
diff --git a/testsuite/tests/partial-sigs/should_compile/ExtraNumAMROff.stderr b/testsuite/tests/partial-sigs/should_compile/ExtraNumAMROff.stderr
index c4d33c12a5..d3dd88bd3b 100644
--- a/testsuite/tests/partial-sigs/should_compile/ExtraNumAMROff.stderr
+++ b/testsuite/tests/partial-sigs/should_compile/ExtraNumAMROff.stderr
@@ -3,5 +3,5 @@ TYPE SIGNATURES
 TYPE CONSTRUCTORS
 COERCION AXIOMS
 Dependent modules: []
-Dependent packages: [base-4.8.0.0, ghc-prim-0.4.0.0,
+Dependent packages: [base-4.8.1.0, ghc-prim-0.4.0.0,
                      integer-gmp-1.0.0.0]
diff --git a/testsuite/tests/partial-sigs/should_compile/ExtraNumAMROn.stderr b/testsuite/tests/partial-sigs/should_compile/ExtraNumAMROn.stderr
index e7866941c9..068a504559 100644
--- a/testsuite/tests/partial-sigs/should_compile/ExtraNumAMROn.stderr
+++ b/testsuite/tests/partial-sigs/should_compile/ExtraNumAMROn.stderr
@@ -3,5 +3,5 @@ TYPE SIGNATURES
 TYPE CONSTRUCTORS
 COERCION AXIOMS
 Dependent modules: []
-Dependent packages: [base-4.8.0.0, ghc-prim-0.3.1.0,
+Dependent packages: [base-4.8.1.0, ghc-prim-0.3.1.0,
                      integer-gmp-0.5.1.0]
diff --git a/testsuite/tests/partial-sigs/should_compile/Forall1.stderr b/testsuite/tests/partial-sigs/should_compile/Forall1.stderr
index e6ef981c15..bc88cbfc4a 100644
--- a/testsuite/tests/partial-sigs/should_compile/Forall1.stderr
+++ b/testsuite/tests/partial-sigs/should_compile/Forall1.stderr
@@ -3,5 +3,5 @@ TYPE SIGNATURES
 TYPE CONSTRUCTORS
 COERCION AXIOMS
 Dependent modules: []
-Dependent packages: [base-4.8.0.0, ghc-prim-0.4.0.0,
+Dependent packages: [base-4.8.1.0, ghc-prim-0.4.0.0,
                      integer-gmp-1.0.0.0]
diff --git a/testsuite/tests/partial-sigs/should_compile/GenNamed.stderr b/testsuite/tests/partial-sigs/should_compile/GenNamed.stderr
index e7865eff7e..ac5475196d 100644
--- a/testsuite/tests/partial-sigs/should_compile/GenNamed.stderr
+++ b/testsuite/tests/partial-sigs/should_compile/GenNamed.stderr
@@ -3,5 +3,5 @@ TYPE SIGNATURES
 TYPE CONSTRUCTORS
 COERCION AXIOMS
 Dependent modules: []
-Dependent packages: [base-4.8.0.0, ghc-prim-0.4.0.0,
+Dependent packages: [base-4.8.1.0, ghc-prim-0.4.0.0,
                      integer-gmp-1.0.0.0]
diff --git a/testsuite/tests/partial-sigs/should_compile/HigherRank1.stderr b/testsuite/tests/partial-sigs/should_compile/HigherRank1.stderr
index 9785fce54f..af8aed8621 100644
--- a/testsuite/tests/partial-sigs/should_compile/HigherRank1.stderr
+++ b/testsuite/tests/partial-sigs/should_compile/HigherRank1.stderr
@@ -3,5 +3,5 @@ TYPE SIGNATURES
 TYPE CONSTRUCTORS
 COERCION AXIOMS
 Dependent modules: []
-Dependent packages: [base-4.8.0.0, ghc-prim-0.4.0.0,
+Dependent packages: [base-4.8.1.0, ghc-prim-0.4.0.0,
                      integer-gmp-1.0.0.0]
diff --git a/testsuite/tests/partial-sigs/should_compile/HigherRank2.stderr b/testsuite/tests/partial-sigs/should_compile/HigherRank2.stderr
index 9785fce54f..af8aed8621 100644
--- a/testsuite/tests/partial-sigs/should_compile/HigherRank2.stderr
+++ b/testsuite/tests/partial-sigs/should_compile/HigherRank2.stderr
@@ -3,5 +3,5 @@ TYPE SIGNATURES
 TYPE CONSTRUCTORS
 COERCION AXIOMS
 Dependent modules: []
-Dependent packages: [base-4.8.0.0, ghc-prim-0.4.0.0,
+Dependent packages: [base-4.8.1.0, ghc-prim-0.4.0.0,
                      integer-gmp-1.0.0.0]
diff --git a/testsuite/tests/partial-sigs/should_compile/LocalDefinitionBug.stderr b/testsuite/tests/partial-sigs/should_compile/LocalDefinitionBug.stderr
index a5de44f181..403da30ff1 100644
--- a/testsuite/tests/partial-sigs/should_compile/LocalDefinitionBug.stderr
+++ b/testsuite/tests/partial-sigs/should_compile/LocalDefinitionBug.stderr
@@ -3,5 +3,5 @@ TYPE SIGNATURES
 TYPE CONSTRUCTORS
 COERCION AXIOMS
 Dependent modules: []
-Dependent packages: [base-4.8.0.0, ghc-prim-0.4.0.0,
+Dependent packages: [base-4.8.1.0, ghc-prim-0.4.0.0,
                      integer-gmp-1.0.0.0]
diff --git a/testsuite/tests/partial-sigs/should_compile/Meltdown.stderr b/testsuite/tests/partial-sigs/should_compile/Meltdown.stderr
index e0c4c11c83..576a414d13 100644
--- a/testsuite/tests/partial-sigs/should_compile/Meltdown.stderr
+++ b/testsuite/tests/partial-sigs/should_compile/Meltdown.stderr
@@ -14,5 +14,5 @@ INSTANCES
     -- Defined at Meltdown.hs:11:10
   instance Monad (NukeMonad a b) -- Defined at Meltdown.hs:15:10
 Dependent modules: []
-Dependent packages: [base-4.8.0.0, ghc-prim-0.4.0.0,
+Dependent packages: [base-4.8.1.0, ghc-prim-0.4.0.0,
                      integer-gmp-1.0.0.0]
diff --git a/testsuite/tests/partial-sigs/should_compile/MonoLocalBinds.stderr b/testsuite/tests/partial-sigs/should_compile/MonoLocalBinds.stderr
index a5de44f181..403da30ff1 100644
--- a/testsuite/tests/partial-sigs/should_compile/MonoLocalBinds.stderr
+++ b/testsuite/tests/partial-sigs/should_compile/MonoLocalBinds.stderr
@@ -3,5 +3,5 @@ TYPE SIGNATURES
 TYPE CONSTRUCTORS
 COERCION AXIOMS
 Dependent modules: []
-Dependent packages: [base-4.8.0.0, ghc-prim-0.4.0.0,
+Dependent packages: [base-4.8.1.0, ghc-prim-0.4.0.0,
                      integer-gmp-1.0.0.0]
diff --git a/testsuite/tests/partial-sigs/should_compile/NamedTyVar.stderr b/testsuite/tests/partial-sigs/should_compile/NamedTyVar.stderr
index e62132f762..e2db2210e0 100644
--- a/testsuite/tests/partial-sigs/should_compile/NamedTyVar.stderr
+++ b/testsuite/tests/partial-sigs/should_compile/NamedTyVar.stderr
@@ -3,5 +3,5 @@ TYPE SIGNATURES
 TYPE CONSTRUCTORS
 COERCION AXIOMS
 Dependent modules: []
-Dependent packages: [base-4.8.0.0, ghc-prim-0.4.0.0,
+Dependent packages: [base-4.8.1.0, ghc-prim-0.4.0.0,
                      integer-gmp-1.0.0.0]
diff --git a/testsuite/tests/partial-sigs/should_compile/ParensAroundContext.stderr b/testsuite/tests/partial-sigs/should_compile/ParensAroundContext.stderr
index ba1fb55b7c..cc9d8ba7c4 100644
--- a/testsuite/tests/partial-sigs/should_compile/ParensAroundContext.stderr
+++ b/testsuite/tests/partial-sigs/should_compile/ParensAroundContext.stderr
@@ -3,5 +3,5 @@ TYPE SIGNATURES
 TYPE CONSTRUCTORS
 COERCION AXIOMS
 Dependent modules: []
-Dependent packages: [base-4.8.0.0, ghc-prim-0.4.0.0,
+Dependent packages: [base-4.8.1.0, ghc-prim-0.4.0.0,
                      integer-gmp-1.0.0.0]
diff --git a/testsuite/tests/partial-sigs/should_compile/PatBind.stderr b/testsuite/tests/partial-sigs/should_compile/PatBind.stderr
index 62bf9eecc9..d3867ef407 100644
--- a/testsuite/tests/partial-sigs/should_compile/PatBind.stderr
+++ b/testsuite/tests/partial-sigs/should_compile/PatBind.stderr
@@ -3,5 +3,5 @@ TYPE SIGNATURES
 TYPE CONSTRUCTORS
 COERCION AXIOMS
 Dependent modules: []
-Dependent packages: [base-4.8.0.0, ghc-prim-0.4.0.0,
+Dependent packages: [base-4.8.1.0, ghc-prim-0.4.0.0,
                      integer-gmp-1.0.0.0]
diff --git a/testsuite/tests/partial-sigs/should_compile/PatBind2.stderr b/testsuite/tests/partial-sigs/should_compile/PatBind2.stderr
index 7454a4c418..3b8b126f6b 100644
--- a/testsuite/tests/partial-sigs/should_compile/PatBind2.stderr
+++ b/testsuite/tests/partial-sigs/should_compile/PatBind2.stderr
@@ -3,5 +3,5 @@ TYPE SIGNATURES
 TYPE CONSTRUCTORS
 COERCION AXIOMS
 Dependent modules: []
-Dependent packages: [base-4.8.0.0, ghc-prim-0.3.1.0,
+Dependent packages: [base-4.8.1.0, ghc-prim-0.3.1.0,
                      integer-gmp-0.5.1.0]
\ No newline at end of file
diff --git a/testsuite/tests/partial-sigs/should_compile/PatternSig.stderr b/testsuite/tests/partial-sigs/should_compile/PatternSig.stderr
index e7865eff7e..ac5475196d 100644
--- a/testsuite/tests/partial-sigs/should_compile/PatternSig.stderr
+++ b/testsuite/tests/partial-sigs/should_compile/PatternSig.stderr
@@ -3,5 +3,5 @@ TYPE SIGNATURES
 TYPE CONSTRUCTORS
 COERCION AXIOMS
 Dependent modules: []
-Dependent packages: [base-4.8.0.0, ghc-prim-0.4.0.0,
+Dependent packages: [base-4.8.1.0, ghc-prim-0.4.0.0,
                      integer-gmp-1.0.0.0]
diff --git a/testsuite/tests/partial-sigs/should_compile/Recursive.stderr b/testsuite/tests/partial-sigs/should_compile/Recursive.stderr
index 626b4d28f8..8afa2ff7c6 100644
--- a/testsuite/tests/partial-sigs/should_compile/Recursive.stderr
+++ b/testsuite/tests/partial-sigs/should_compile/Recursive.stderr
@@ -5,5 +5,5 @@ TYPE SIGNATURES
 TYPE CONSTRUCTORS
 COERCION AXIOMS
 Dependent modules: []
-Dependent packages: [base-4.8.0.0, ghc-prim-0.4.0.0,
+Dependent packages: [base-4.8.1.0, ghc-prim-0.4.0.0,
                      integer-gmp-1.0.0.0]
diff --git a/testsuite/tests/partial-sigs/should_compile/ScopedNamedWildcards.stderr b/testsuite/tests/partial-sigs/should_compile/ScopedNamedWildcards.stderr
index 5434044886..a31620ce18 100644
--- a/testsuite/tests/partial-sigs/should_compile/ScopedNamedWildcards.stderr
+++ b/testsuite/tests/partial-sigs/should_compile/ScopedNamedWildcards.stderr
@@ -3,5 +3,5 @@ TYPE SIGNATURES
 TYPE CONSTRUCTORS
 COERCION AXIOMS
 Dependent modules: []
-Dependent packages: [base-4.8.0.0, ghc-prim-0.4.0.0,
+Dependent packages: [base-4.8.1.0, ghc-prim-0.4.0.0,
                      integer-gmp-1.0.0.0]
diff --git a/testsuite/tests/partial-sigs/should_compile/ScopedNamedWildcardsGood.stderr b/testsuite/tests/partial-sigs/should_compile/ScopedNamedWildcardsGood.stderr
index 6dac5ea6c9..b0992361f3 100644
--- a/testsuite/tests/partial-sigs/should_compile/ScopedNamedWildcardsGood.stderr
+++ b/testsuite/tests/partial-sigs/should_compile/ScopedNamedWildcardsGood.stderr
@@ -3,5 +3,5 @@ TYPE SIGNATURES
 TYPE CONSTRUCTORS
 COERCION AXIOMS
 Dependent modules: []
-Dependent packages: [base-4.8.0.0, ghc-prim-0.4.0.0,
+Dependent packages: [base-4.8.1.0, ghc-prim-0.4.0.0,
                      integer-gmp-1.0.0.0]
diff --git a/testsuite/tests/partial-sigs/should_compile/ShowNamed.stderr b/testsuite/tests/partial-sigs/should_compile/ShowNamed.stderr
index 8460586ae6..14425edade 100644
--- a/testsuite/tests/partial-sigs/should_compile/ShowNamed.stderr
+++ b/testsuite/tests/partial-sigs/should_compile/ShowNamed.stderr
@@ -3,5 +3,5 @@ TYPE SIGNATURES
 TYPE CONSTRUCTORS
 COERCION AXIOMS
 Dependent modules: []
-Dependent packages: [base-4.8.0.0, ghc-prim-0.4.0.0,
+Dependent packages: [base-4.8.1.0, ghc-prim-0.4.0.0,
                      integer-gmp-1.0.0.0]
diff --git a/testsuite/tests/partial-sigs/should_compile/SimpleGen.stderr b/testsuite/tests/partial-sigs/should_compile/SimpleGen.stderr
index f0ba022d42..34ac234d26 100644
--- a/testsuite/tests/partial-sigs/should_compile/SimpleGen.stderr
+++ b/testsuite/tests/partial-sigs/should_compile/SimpleGen.stderr
@@ -3,5 +3,5 @@ TYPE SIGNATURES
 TYPE CONSTRUCTORS
 COERCION AXIOMS
 Dependent modules: []
-Dependent packages: [base-4.8.0.0, ghc-prim-0.4.0.0,
+Dependent packages: [base-4.8.1.0, ghc-prim-0.4.0.0,
                      integer-gmp-1.0.0.0]
diff --git a/testsuite/tests/partial-sigs/should_compile/SkipMany.stderr b/testsuite/tests/partial-sigs/should_compile/SkipMany.stderr
index d12a3ff418..a5df52b569 100644
--- a/testsuite/tests/partial-sigs/should_compile/SkipMany.stderr
+++ b/testsuite/tests/partial-sigs/should_compile/SkipMany.stderr
@@ -8,5 +8,5 @@ TYPE CONSTRUCTORS
     Promotable
 COERCION AXIOMS
 Dependent modules: []
-Dependent packages: [base-4.8.0.0, ghc-prim-0.4.0.0,
+Dependent packages: [base-4.8.1.0, ghc-prim-0.4.0.0,
                      integer-gmp-1.0.0.0]
diff --git a/testsuite/tests/partial-sigs/should_compile/SomethingShowable.stderr b/testsuite/tests/partial-sigs/should_compile/SomethingShowable.stderr
index cc8eae05c9..53cbf4c1ea 100644
--- a/testsuite/tests/partial-sigs/should_compile/SomethingShowable.stderr
+++ b/testsuite/tests/partial-sigs/should_compile/SomethingShowable.stderr
@@ -3,5 +3,5 @@ TYPE SIGNATURES
 TYPE CONSTRUCTORS
 COERCION AXIOMS
 Dependent modules: []
-Dependent packages: [base-4.8.0.0, ghc-prim-0.4.0.0,
+Dependent packages: [base-4.8.1.0, ghc-prim-0.4.0.0,
                      integer-gmp-1.0.0.0]
diff --git a/testsuite/tests/partial-sigs/should_compile/Uncurry.stderr b/testsuite/tests/partial-sigs/should_compile/Uncurry.stderr
index 6ff0de02eb..3169639afa 100644
--- a/testsuite/tests/partial-sigs/should_compile/Uncurry.stderr
+++ b/testsuite/tests/partial-sigs/should_compile/Uncurry.stderr
@@ -3,5 +3,5 @@ TYPE SIGNATURES
 TYPE CONSTRUCTORS
 COERCION AXIOMS
 Dependent modules: []
-Dependent packages: [base-4.8.0.0, ghc-prim-0.4.0.0,
+Dependent packages: [base-4.8.1.0, ghc-prim-0.4.0.0,
                      integer-gmp-1.0.0.0]
diff --git a/testsuite/tests/partial-sigs/should_compile/UncurryNamed.stderr b/testsuite/tests/partial-sigs/should_compile/UncurryNamed.stderr
index a5c2a350e7..bc37624aac 100644
--- a/testsuite/tests/partial-sigs/should_compile/UncurryNamed.stderr
+++ b/testsuite/tests/partial-sigs/should_compile/UncurryNamed.stderr
@@ -3,5 +3,5 @@ TYPE SIGNATURES
 TYPE CONSTRUCTORS
 COERCION AXIOMS
 Dependent modules: []
-Dependent packages: [base-4.8.0.0, ghc-prim-0.4.0.0,
+Dependent packages: [base-4.8.1.0, ghc-prim-0.4.0.0,
                      integer-gmp-1.0.0.0]
diff --git a/testsuite/tests/partial-sigs/should_compile/WarningWildcardInstantiations.stderr b/testsuite/tests/partial-sigs/should_compile/WarningWildcardInstantiations.stderr
index da9aa79b14..c97c473147 100644
--- a/testsuite/tests/partial-sigs/should_compile/WarningWildcardInstantiations.stderr
+++ b/testsuite/tests/partial-sigs/should_compile/WarningWildcardInstantiations.stderr
@@ -4,7 +4,7 @@ TYPE SIGNATURES
 TYPE CONSTRUCTORS
 COERCION AXIOMS
 Dependent modules: []
-Dependent packages: [base-4.8.0.0, ghc-prim-0.4.0.0,
+Dependent packages: [base-4.8.1.0, ghc-prim-0.4.0.0,
                      integer-gmp-1.0.0.0]
 
 WarningWildcardInstantiations.hs:5:14: Warning:
diff --git a/testsuite/tests/rename/should_fail/rnfail040.stderr b/testsuite/tests/rename/should_fail/rnfail040.stderr
index c3faa92fbd..1775715fbf 100644
--- a/testsuite/tests/rename/should_fail/rnfail040.stderr
+++ b/testsuite/tests/rename/should_fail/rnfail040.stderr
@@ -3,7 +3,7 @@ rnfail040.hs:7:12:
     Conflicting exports for ‘nub’:
        ‘module M’ exports ‘M.nub’
          imported from ‘Data.List’ at rnfail040.hs:10:2-22
-         (and originally defined in ‘base-4.8.0.0:Data.OldList’)
+         (and originally defined in ‘base-4.8.1.0:Data.OldList’)
        ‘module M’ exports ‘T.nub’
          imported from ‘Rnfail040_A’ at rnfail040.hs:11:2-24
          (and originally defined at Rnfail040_A.hs:2:3-5)
diff --git a/testsuite/tests/roles/should_compile/Roles1.stderr b/testsuite/tests/roles/should_compile/Roles1.stderr
index 01c4691519..2e04d6bb60 100644
--- a/testsuite/tests/roles/should_compile/Roles1.stderr
+++ b/testsuite/tests/roles/should_compile/Roles1.stderr
@@ -17,7 +17,7 @@ TYPE CONSTRUCTORS
   data T7 (a :: k) b = K7 b
 COERCION AXIOMS
 Dependent modules: []
-Dependent packages: [base-4.8.0.0, ghc-prim-0.4.0.0,
+Dependent packages: [base-4.8.1.0, ghc-prim-0.4.0.0,
                      integer-gmp-1.0.0.0]
 
 ==================== Typechecker ====================
diff --git a/testsuite/tests/roles/should_compile/Roles14.stderr b/testsuite/tests/roles/should_compile/Roles14.stderr
index 504053bc89..56c08b68d2 100644
--- a/testsuite/tests/roles/should_compile/Roles14.stderr
+++ b/testsuite/tests/roles/should_compile/Roles14.stderr
@@ -6,7 +6,7 @@ TYPE CONSTRUCTORS
 COERCION AXIOMS
   axiom Roles12.NTCo:C2 :: C2 a = a -> a
 Dependent modules: []
-Dependent packages: [base-4.8.0.0, ghc-prim-0.4.0.0,
+Dependent packages: [base-4.8.1.0, ghc-prim-0.4.0.0,
                      integer-gmp-1.0.0.0]
 
 ==================== Typechecker ====================
diff --git a/testsuite/tests/roles/should_compile/Roles2.stderr b/testsuite/tests/roles/should_compile/Roles2.stderr
index afd2d8cf96..1643330c27 100644
--- a/testsuite/tests/roles/should_compile/Roles2.stderr
+++ b/testsuite/tests/roles/should_compile/Roles2.stderr
@@ -5,7 +5,7 @@ TYPE CONSTRUCTORS
   data T2 a = K2 (FunPtr a)
 COERCION AXIOMS
 Dependent modules: []
-Dependent packages: [base-4.8.0.0, ghc-prim-0.4.0.0,
+Dependent packages: [base-4.8.1.0, ghc-prim-0.4.0.0,
                      integer-gmp-1.0.0.0]
 
 ==================== Typechecker ====================
diff --git a/testsuite/tests/roles/should_compile/Roles3.stderr b/testsuite/tests/roles/should_compile/Roles3.stderr
index 506b895dda..ef64a56861 100644
--- a/testsuite/tests/roles/should_compile/Roles3.stderr
+++ b/testsuite/tests/roles/should_compile/Roles3.stderr
@@ -18,7 +18,7 @@ COERCION AXIOMS
   axiom Roles3.NTCo:C3 :: C3 a b = a -> F3 b -> F3 b
   axiom Roles3.NTCo:C4 :: C4 a b = a -> F4 b -> F4 b
 Dependent modules: []
-Dependent packages: [base-4.8.0.0, ghc-prim-0.4.0.0,
+Dependent packages: [base-4.8.1.0, ghc-prim-0.4.0.0,
                      integer-gmp-1.0.0.0]
 
 ==================== Typechecker ====================
diff --git a/testsuite/tests/roles/should_compile/Roles4.stderr b/testsuite/tests/roles/should_compile/Roles4.stderr
index 26f9abda0c..371460e1d4 100644
--- a/testsuite/tests/roles/should_compile/Roles4.stderr
+++ b/testsuite/tests/roles/should_compile/Roles4.stderr
@@ -9,7 +9,7 @@ COERCION AXIOMS
   axiom Roles4.NTCo:C1 :: C1 a = a -> a
   axiom Roles4.NTCo:C3 :: C3 a = a -> Syn1 a
 Dependent modules: []
-Dependent packages: [base-4.8.0.0, ghc-prim-0.4.0.0,
+Dependent packages: [base-4.8.1.0, ghc-prim-0.4.0.0,
                      integer-gmp-1.0.0.0]
 
 ==================== Typechecker ====================
diff --git a/testsuite/tests/roles/should_compile/T8958.stderr b/testsuite/tests/roles/should_compile/T8958.stderr
index abcd5581c9..b80bb87035 100644
--- a/testsuite/tests/roles/should_compile/T8958.stderr
+++ b/testsuite/tests/roles/should_compile/T8958.stderr
@@ -16,7 +16,7 @@ INSTANCES
   instance [incoherent] Representational a
     -- Defined at T8958.hs:10:10
 Dependent modules: []
-Dependent packages: [base-4.8.0.0, ghc-prim-0.4.0.0,
+Dependent packages: [base-4.8.1.0, ghc-prim-0.4.0.0,
                      integer-gmp-1.0.0.0]
 
 ==================== Typechecker ====================
diff --git a/testsuite/tests/safeHaskell/check/Check01.stderr b/testsuite/tests/safeHaskell/check/Check01.stderr
index fe6ec9e097..170b60231f 100644
--- a/testsuite/tests/safeHaskell/check/Check01.stderr
+++ b/testsuite/tests/safeHaskell/check/Check01.stderr
@@ -1,4 +1,4 @@
 [3 of 3] Compiling Check01          ( Check01.hs, Check01.o )
 
 <no location info>:
-    The package (base-4.8.0.0) is required to be trusted but it isn't!
+    The package (base-4.8.1.0) is required to be trusted but it isn't!
diff --git a/testsuite/tests/safeHaskell/check/Check06.stderr b/testsuite/tests/safeHaskell/check/Check06.stderr
index 29a7941411..3be9f1bc4a 100644
--- a/testsuite/tests/safeHaskell/check/Check06.stderr
+++ b/testsuite/tests/safeHaskell/check/Check06.stderr
@@ -2,4 +2,4 @@
 [2 of 2] Compiling Check06          ( Check06.hs, Check06.o )
 
 <no location info>:
-    The package (base-4.8.0.0) is required to be trusted but it isn't!
+    The package (base-4.8.1.0) is required to be trusted but it isn't!
diff --git a/testsuite/tests/safeHaskell/check/Check08.stderr b/testsuite/tests/safeHaskell/check/Check08.stderr
index 0947a971d4..3f61c5586e 100644
--- a/testsuite/tests/safeHaskell/check/Check08.stderr
+++ b/testsuite/tests/safeHaskell/check/Check08.stderr
@@ -3,4 +3,4 @@
 [3 of 3] Compiling Check08          ( Check08.hs, Check08.o )
 
 <no location info>:
-    The package (base-4.8.0.0) is required to be trusted but it isn't!
+    The package (base-4.8.1.0) is required to be trusted but it isn't!
diff --git a/testsuite/tests/safeHaskell/check/Check09.stderr b/testsuite/tests/safeHaskell/check/Check09.stderr
index 75803cf80d..7782800537 100644
--- a/testsuite/tests/safeHaskell/check/Check09.stderr
+++ b/testsuite/tests/safeHaskell/check/Check09.stderr
@@ -1,7 +1,7 @@
 
 Check09.hs:4:1:
     Prelude: Can't be safely imported!
-    The package (base-4.8.0.0) the module resides in isn't trusted.
+    The package (base-4.8.1.0) the module resides in isn't trusted.
 
 Check09.hs:5:1:
     Data.ByteString.Char8: Can't be safely imported!
diff --git a/testsuite/tests/safeHaskell/check/pkg01/ImpSafe01.stderr b/testsuite/tests/safeHaskell/check/pkg01/ImpSafe01.stderr
index 15c242bbff..8d191ddaee 100644
--- a/testsuite/tests/safeHaskell/check/pkg01/ImpSafe01.stderr
+++ b/testsuite/tests/safeHaskell/check/pkg01/ImpSafe01.stderr
@@ -1,4 +1,4 @@
 
 ImpSafe01.hs:9:1:
     Data.Word: Can't be safely imported!
-    The package (base-4.8.0.0) the module resides in isn't trusted.
+    The package (base-4.8.1.0) the module resides in isn't trusted.
diff --git a/testsuite/tests/safeHaskell/check/pkg01/ImpSafe04.stderr b/testsuite/tests/safeHaskell/check/pkg01/ImpSafe04.stderr
index 50a12e027b..0a7c1bbc0d 100644
--- a/testsuite/tests/safeHaskell/check/pkg01/ImpSafe04.stderr
+++ b/testsuite/tests/safeHaskell/check/pkg01/ImpSafe04.stderr
@@ -1,4 +1,4 @@
 
 ImpSafe04.hs:9:1:
     Data.Word: Can't be safely imported!
-    The package (base-4.8.0.0) the module resides in isn't trusted.
+    The package (base-4.8.1.0) the module resides in isn't trusted.
diff --git a/testsuite/tests/safeHaskell/check/pkg01/ImpSafeOnly07.stderr b/testsuite/tests/safeHaskell/check/pkg01/ImpSafeOnly07.stderr
index 3dd6759d2f..1a189d89aa 100644
--- a/testsuite/tests/safeHaskell/check/pkg01/ImpSafeOnly07.stderr
+++ b/testsuite/tests/safeHaskell/check/pkg01/ImpSafeOnly07.stderr
@@ -1,6 +1,6 @@
 
 <no location info>:
-    The package (base-4.8.0.0) is required to be trusted but it isn't!
+    The package (base-4.8.1.0) is required to be trusted but it isn't!
 
 <no location info>:
     The package (bytestring-0.10.5.0) is required to be trusted but it isn't!
diff --git a/testsuite/tests/safeHaskell/check/pkg01/ImpSafeOnly08.stderr b/testsuite/tests/safeHaskell/check/pkg01/ImpSafeOnly08.stderr
index 3dd6759d2f..1a189d89aa 100644
--- a/testsuite/tests/safeHaskell/check/pkg01/ImpSafeOnly08.stderr
+++ b/testsuite/tests/safeHaskell/check/pkg01/ImpSafeOnly08.stderr
@@ -1,6 +1,6 @@
 
 <no location info>:
-    The package (base-4.8.0.0) is required to be trusted but it isn't!
+    The package (base-4.8.1.0) is required to be trusted but it isn't!
 
 <no location info>:
     The package (bytestring-0.10.5.0) is required to be trusted but it isn't!
diff --git a/testsuite/tests/safeHaskell/check/pkg01/safePkg01.stdout b/testsuite/tests/safeHaskell/check/pkg01/safePkg01.stdout
index 51b047fca8..f396168a96 100644
--- a/testsuite/tests/safeHaskell/check/pkg01/safePkg01.stdout
+++ b/testsuite/tests/safeHaskell/check/pkg01/safePkg01.stdout
@@ -4,42 +4,42 @@ pdb.safePkg01/local.db:
 trusted: False
 
 M_SafePkg
-package dependencies: base-4.8.0.0* ghc-prim-0.4.0.0 integer-gmp-1.0.0.0
+package dependencies: base-4.8.1.0* ghc-prim-0.4.0.0 integer-gmp-1.0.0.0
 trusted: safe
 require own pkg trusted: False
 
 M_SafePkg2
-package dependencies: base-4.8.0.0 ghc-prim-0.4.0.0 integer-gmp-1.0.0.0
+package dependencies: base-4.8.1.0 ghc-prim-0.4.0.0 integer-gmp-1.0.0.0
 trusted: trustworthy
 require own pkg trusted: False
 
 M_SafePkg3
-package dependencies: base-4.8.0.0* ghc-prim-0.4.0.0 integer-gmp-1.0.0.0
+package dependencies: base-4.8.1.0* ghc-prim-0.4.0.0 integer-gmp-1.0.0.0
 trusted: safe
 require own pkg trusted: True
 
 M_SafePkg4
-package dependencies: base-4.8.0.0* ghc-prim-0.4.0.0 integer-gmp-1.0.0.0
+package dependencies: base-4.8.1.0* ghc-prim-0.4.0.0 integer-gmp-1.0.0.0
 trusted: safe
 require own pkg trusted: True
 
 M_SafePkg5
-package dependencies: base-4.8.0.0* ghc-prim-0.4.0.0 integer-gmp-1.0.0.0
+package dependencies: base-4.8.1.0* ghc-prim-0.4.0.0 integer-gmp-1.0.0.0
 trusted: safe
 require own pkg trusted: True
 
 M_SafePkg6
-package dependencies: array-0.5.1.0 base-4.8.0.0* bytestring-0.10.6.0* deepseq-1.4.1.1 ghc-prim-0.4.0.0 integer-gmp-1.0.0.0
+package dependencies: array-0.5.1.0 base-4.8.1.0* bytestring-0.10.6.0* deepseq-1.4.1.1 ghc-prim-0.4.0.0 integer-gmp-1.0.0.0
 trusted: trustworthy
 require own pkg trusted: False
 
 M_SafePkg7
-package dependencies: array-0.5.1.0 base-4.8.0.0* bytestring-0.10.6.0* deepseq-1.4.1.1 ghc-prim-0.4.0.0 integer-gmp-1.0.0.0
+package dependencies: array-0.5.1.0 base-4.8.1.0* bytestring-0.10.6.0* deepseq-1.4.1.1 ghc-prim-0.4.0.0 integer-gmp-1.0.0.0
 trusted: safe
 require own pkg trusted: False
 
 M_SafePkg8
-package dependencies: array-0.5.1.0 base-4.8.0.0 bytestring-0.10.6.0* deepseq-1.4.1.1 ghc-prim-0.4.0.0 integer-gmp-1.0.0.0
+package dependencies: array-0.5.1.0 base-4.8.1.0 bytestring-0.10.6.0* deepseq-1.4.1.1 ghc-prim-0.4.0.0 integer-gmp-1.0.0.0
 trusted: trustworthy
 require own pkg trusted: False
 
diff --git a/testsuite/tests/safeHaskell/flags/SafeFlags17.stderr b/testsuite/tests/safeHaskell/flags/SafeFlags17.stderr
index da45202a0c..460f882939 100644
--- a/testsuite/tests/safeHaskell/flags/SafeFlags17.stderr
+++ b/testsuite/tests/safeHaskell/flags/SafeFlags17.stderr
@@ -1,4 +1,4 @@
 
 SafeFlags17.hs:4:8:
     Prelude: Can't be safely imported!
-    The package (base-4.8.0.0) the module resides in isn't trusted.
+    The package (base-4.8.1.0) the module resides in isn't trusted.
diff --git a/testsuite/tests/th/TH_Roles2.stderr b/testsuite/tests/th/TH_Roles2.stderr
index 531a874dff..964e6a30ec 100644
--- a/testsuite/tests/th/TH_Roles2.stderr
+++ b/testsuite/tests/th/TH_Roles2.stderr
@@ -4,7 +4,7 @@ TYPE CONSTRUCTORS
   data T (a :: k)
 COERCION AXIOMS
 Dependent modules: []
-Dependent packages: [array-0.5.1.0, base-4.8.0.0, deepseq-1.4.1.1,
+Dependent packages: [array-0.5.1.0, base-4.8.1.0, deepseq-1.4.1.1,
                      ghc-prim-0.3.1.0, integer-gmp-1.0.0.0, pretty-1.1.2.0,
                      template-haskell-2.10.0.0]
 
diff --git a/testsuite/tests/typecheck/should_compile/tc231.stderr b/testsuite/tests/typecheck/should_compile/tc231.stderr
index 3f10f55027..04f0d70f19 100644
--- a/testsuite/tests/typecheck/should_compile/tc231.stderr
+++ b/testsuite/tests/typecheck/should_compile/tc231.stderr
@@ -15,5 +15,5 @@ COERCION AXIOMS
   axiom NTCo:Zork ::
       Zork s a b = forall chain. Q s a chain -> ST s ()
 Dependent modules: []
-Dependent packages: [base-4.8.0.0, ghc-prim-0.4.0.0,
+Dependent packages: [base-4.8.1.0, ghc-prim-0.4.0.0,
                      integer-gmp-1.0.0.0]
diff --git a/testsuite/tests/typecheck/should_fail/tcfail182.stderr b/testsuite/tests/typecheck/should_fail/tcfail182.stderr
index dfc57e2a03..b1e7c94912 100644
--- a/testsuite/tests/typecheck/should_fail/tcfail182.stderr
+++ b/testsuite/tests/typecheck/should_fail/tcfail182.stderr
@@ -3,7 +3,7 @@ tcfail182.hs:9:3:
     Couldn't match expected type ‘Prelude.Maybe a’
                 with actual type ‘Maybe t0’
     NB: ‘Prelude.Maybe’
-          is defined in ‘GHC.Base’ in package ‘base-4.8.0.0’
+          is defined in ‘GHC.Base’ in package ‘base-4.8.1.0’
         ‘Maybe’ is defined at tcfail182.hs:6:1-18
     Relevant bindings include
       f :: Prelude.Maybe a -> Int (bound at tcfail182.hs:9:1)
diff --git a/utils/ghc-cabal/cabal_macros_boot.h b/utils/ghc-cabal/cabal_macros_boot.h
index 41cddb107d..e0e18b589f 100644
--- a/utils/ghc-cabal/cabal_macros_boot.h
+++ b/utils/ghc-cabal/cabal_macros_boot.h
@@ -1,6 +1,12 @@
 /* defines a few MIN_VERSION_...() macros used by some of the bootstrap packages */
 
-#if __GLASGOW_HASKELL__ >= 709
+#if __GLASGOW_HASKELL__ >= 711
+/* package base-4.8.1.0 */
+# define MIN_VERSION_base(major1,major2,minor) (\
+  (major1) <  4 || \
+  (major1) == 4 && (major2) <  8 || \
+  (major1) == 4 && (major2) == 8 && (minor) <= 1)
+#elif __GLASGOW_HASKELL__ >= 709
 /* package base-4.8.0.0 */
 # define MIN_VERSION_base(major1,major2,minor) (\
   (major1) <  4 || \