diff --git a/requirements.txt b/requirements.txt
index 537c2566..3644fd9b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -22,7 +22,7 @@ multidict==6.0.4 ; python_version >= "3.7" and python_version < "4.0"
 packaging==23.2 ; python_version >= "3.7" and python_version < "4.0"
 pipx==1.2.0 ; python_version >= "3.7" and python_version < "4.0"
 pluggy==1.2.0 ; python_version >= "3.7" and python_version < "4.0"
-pycparser==2.21 ; python_version >= "3.7" and python_version < "4.0"
+pycparser==2.23 ; python_version >= "3.7" and python_version < "4.0"
 pyjwt==2.9.0 ; python_version >= "3.7" and python_version < "4.0"
 pyopenssl==25.1.0 ; python_version >= "3.7" and python_version < "4.0"
 pytest-aiohttp==1.0.5 ; python_version >= "3.7" and python_version < "4.0"