1 files changed, 1 insertions, 1 deletions
diff --git a/tox.ini b/tox.ini
index 1141261..9248041 100644
--- a/tox.ini
+++ b/tox.ini
@@ -9,7 +9,7 @@ deps =
     coverage>=4.2
     pytest>=3.0.1
     cryptographyMaster: git+https://github.com/pyca/cryptography.git
-    cryptographyMinimum: cryptography<1.8
+    cryptographyMinimum: cryptography<=1.9
 setenv =
     # Do not allow the executing environment to pollute the test environment
     # with extra packages.