diff --git a/requirements/tox-py310-cp310-darwin-x86_64.txt b/requirements/tox-py310-cp310-darwin-x86_64.txt
index f73f338688..e79f8a8270 100644
--- a/requirements/tox-py310-cp310-darwin-x86_64.txt
+++ b/requirements/tox-py310-cp310-darwin-x86_64.txt
@@ -76,7 +76,7 @@ py==1.11.0
     #   pypytools
     #   pytest
     #   pytest-forked
-pycparser==2.21
+pycparser==2.22
     # via cffi
 pydantic==2.5.2
     # via inflect
diff --git a/requirements/tox-py310-cp310-linux-x86_64.txt b/requirements/tox-py310-cp310-linux-x86_64.txt
index 1283e02110..66f9917e8f 100644
--- a/requirements/tox-py310-cp310-linux-x86_64.txt
+++ b/requirements/tox-py310-cp310-linux-x86_64.txt
@@ -76,7 +76,7 @@ py==1.11.0
     #   pypytools
     #   pytest
     #   pytest-forked
-pycparser==2.21
+pycparser==2.22
     # via cffi
 pydantic==2.5.2
     # via inflect
diff --git a/requirements/tox-py310-cp310-win32-amd64.txt b/requirements/tox-py310-cp310-win32-amd64.txt
index 702c391ed3..2f7555d4f5 100644
--- a/requirements/tox-py310-cp310-win32-amd64.txt
+++ b/requirements/tox-py310-cp310-win32-amd64.txt
@@ -79,7 +79,7 @@ py==1.11.0
     # via
     #   pypytools
     #   pytest
-pycparser==2.21
+pycparser==2.22
     # via cffi
 pydantic==2.5.2
     # via inflect
diff --git a/requirements/tox-py311-cp311-darwin-x86_64.txt b/requirements/tox-py311-cp311-darwin-x86_64.txt
index f30d9cc688..3a11976818 100644
--- a/requirements/tox-py311-cp311-darwin-x86_64.txt
+++ b/requirements/tox-py311-cp311-darwin-x86_64.txt
@@ -76,7 +76,7 @@ py==1.11.0
     #   pypytools
     #   pytest
     #   pytest-forked
-pycparser==2.21
+pycparser==2.22
     # via cffi
 pydantic==2.5.2
     # via inflect
diff --git a/requirements/tox-py311-cp311-linux-x86_64.txt b/requirements/tox-py311-cp311-linux-x86_64.txt
index dbc23a1620..e012284bdc 100644
--- a/requirements/tox-py311-cp311-linux-x86_64.txt
+++ b/requirements/tox-py311-cp311-linux-x86_64.txt
@@ -76,7 +76,7 @@ py==1.11.0
     #   pypytools
     #   pytest
     #   pytest-forked
-pycparser==2.21
+pycparser==2.22
     # via cffi
 pydantic==2.5.2
     # via inflect
diff --git a/requirements/tox-py311-cp311-win32-amd64.txt b/requirements/tox-py311-cp311-win32-amd64.txt
index 40b5547029..17ec760eb8 100644
--- a/requirements/tox-py311-cp311-win32-amd64.txt
+++ b/requirements/tox-py311-cp311-win32-amd64.txt
@@ -79,7 +79,7 @@ py==1.11.0
     # via
     #   pypytools
     #   pytest
-pycparser==2.21
+pycparser==2.22
     # via cffi
 pydantic==2.5.2
     # via inflect
diff --git a/requirements/tox-py38-cp38-darwin-x86_64.txt b/requirements/tox-py38-cp38-darwin-x86_64.txt
index 43b42c0e9a..3d54eb7eef 100644
--- a/requirements/tox-py38-cp38-darwin-x86_64.txt
+++ b/requirements/tox-py38-cp38-darwin-x86_64.txt
@@ -78,7 +78,7 @@ py==1.11.0
     #   pypytools
     #   pytest
     #   pytest-forked
-pycparser==2.21
+pycparser==2.22
     # via cffi
 pydantic==2.5.2
     # via inflect
diff --git a/requirements/tox-py38-cp38-linux-x86_64.txt b/requirements/tox-py38-cp38-linux-x86_64.txt
index 7a876dadb5..7da241ddd0 100644
--- a/requirements/tox-py38-cp38-linux-x86_64.txt
+++ b/requirements/tox-py38-cp38-linux-x86_64.txt
@@ -78,7 +78,7 @@ py==1.11.0
     #   pypytools
     #   pytest
     #   pytest-forked
-pycparser==2.21
+pycparser==2.22
     # via cffi
 pydantic==2.5.2
     # via inflect
diff --git a/requirements/tox-py38-cp38-win32-amd64.txt b/requirements/tox-py38-cp38-win32-amd64.txt
index 8f7f923f2d..cf06a00c84 100644
--- a/requirements/tox-py38-cp38-win32-amd64.txt
+++ b/requirements/tox-py38-cp38-win32-amd64.txt
@@ -81,7 +81,7 @@ py==1.11.0
     # via
     #   pypytools
     #   pytest
-pycparser==2.21
+pycparser==2.22
     # via cffi
 pydantic==2.5.2
     # via inflect
diff --git a/requirements/tox-py39-cp39-darwin-x86_64.txt b/requirements/tox-py39-cp39-darwin-x86_64.txt
index f91dbdf056..8459f1df45 100644
--- a/requirements/tox-py39-cp39-darwin-x86_64.txt
+++ b/requirements/tox-py39-cp39-darwin-x86_64.txt
@@ -76,7 +76,7 @@ py==1.11.0
     #   pypytools
     #   pytest
     #   pytest-forked
-pycparser==2.21
+pycparser==2.22
     # via cffi
 pydantic==2.5.2
     # via inflect
diff --git a/requirements/tox-py39-cp39-linux-x86_64.txt b/requirements/tox-py39-cp39-linux-x86_64.txt
index 2aa10991cb..59a52dc8f6 100644
--- a/requirements/tox-py39-cp39-linux-x86_64.txt
+++ b/requirements/tox-py39-cp39-linux-x86_64.txt
@@ -76,7 +76,7 @@ py==1.11.0
     #   pypytools
     #   pytest
     #   pytest-forked
-pycparser==2.21
+pycparser==2.22
     # via cffi
 pydantic==2.5.2
     # via inflect
diff --git a/requirements/tox-py39-cp39-win32-amd64.txt b/requirements/tox-py39-cp39-win32-amd64.txt
index ded91f2dc8..d0dd405588 100644
--- a/requirements/tox-py39-cp39-win32-amd64.txt
+++ b/requirements/tox-py39-cp39-win32-amd64.txt
@@ -79,7 +79,7 @@ py==1.11.0
     # via
     #   pypytools
     #   pytest
-pycparser==2.21
+pycparser==2.22
     # via cffi
 pydantic==2.5.2
     # via inflect