4 files changed, 13 insertions, 13 deletions

diff --git a/requirements/dev.pip b/requirements/dev.pip
index 90729ee0..10178192 100644
--- a/requirements/dev.pip
+++ b/requirements/dev.pip
@@ -7,7 +7,7 @@
 -c pins.pip
 -r pip.pip
 
-pluggy==0.13.1
+#pluggy==1.0.0
 
 # PyPI requirements for running tests.
 tox
@@ -16,7 +16,7 @@ tox
 # for linting.
 greenlet==1.1.1
 pylint==2.11.1
-check-manifest==0.46
+check-manifest==0.47
 readme_renderer==29.0
 
 # for kitting.
diff --git a/requirements/pins.pip b/requirements/pins.pip
index 0fbfed5f..89794867 100644
--- a/requirements/pins.pip
+++ b/requirements/pins.pip
@@ -3,10 +3,10 @@
 
 # Version pins, for use as a constraints file.
 
-auditwheel==4.0.0
-cibuildwheel==2.1.1
-tox==3.24.1
-tox-gh-actions==2.6.0
+auditwheel==5.0.0
+cibuildwheel==2.1.2
+tox==3.24.4
+tox-gh-actions==2.8.1
 
-setuptools==57.2.0
-wheel==0.36.2
+setuptools==58.1.0
+wheel==0.37.0
diff --git a/requirements/pip.pip b/requirements/pip.pip
index 962eec94..112d6042 100644
--- a/requirements/pip.pip
+++ b/requirements/pip.pip
@@ -3,5 +3,5 @@
 
 -c pins.pip
 
-pip==21.2.3
-virtualenv==20.7.0
+pip==21.2.4
+virtualenv==20.8.1
diff --git a/requirements/pytest.pip b/requirements/pytest.pip
index 400967de..a6d804b3 100644
--- a/requirements/pytest.pip
+++ b/requirements/pytest.pip
@@ -6,9 +6,9 @@
 # The pytest specifics used by coverage.py
 
 flaky==3.7.0
-hypothesis==6.14.6
-pytest==6.2.4
-pytest-xdist==2.3.0
+hypothesis==6.23.1
+pytest==6.2.5
+pytest-xdist==2.4.0
 # Use a fork of PyContracts that supports Python 3.9
 #PyContracts==1.8.12
 git+https://github.com/slorg1/contracts@collections_and_validator