diff --git a/requirements.in b/requirements.in
index 6b74266..9df5259 100644
--- a/requirements.in
+++ b/requirements.in
@@ -25,7 +25,7 @@ paramiko==3.4.0
 pip-tools==7.4.1
 psycopg2-binary==2.9.9
 pycodestyle==2.11.1
-pycparser==2.21
+pycparser==2.22
 pycryptodomex==3.20.0
 pyflakes==3.2.0
 PyNaCl==1.5.0
diff --git a/requirements.txt b/requirements.txt
index 29e8eb0..4d526a8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -96,7 +96,7 @@ pycodestyle==2.11.1
     # via
     #   -r requirements.in
     #   flake8
-pycparser==2.21
+pycparser==2.22
     # via
     #   -r requirements.in
     #   cffi