diff --git a/requirements.in b/requirements.in
index 48c51eb..53ee4aa 100644
--- a/requirements.in
+++ b/requirements.in
@@ -20,7 +20,7 @@ oic~=1.6.1
 pip-tools~=7.4.1
 psycopg2-binary~=2.9.3
 pylint~=3.3.6
-python-dateutil~=2.6.1
+python-dateutil~=2.9.0
 python-editor~=1.0.3
 sentry-sdk[flask]~=2.24.1
 six~=1.17.0
diff --git a/requirements.txt b/requirements.txt
index 7036755..d7306d1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -150,7 +150,7 @@ pyproject-hooks==1.2.0
     # via
     #   build
     #   pip-tools
-python-dateutil==2.6.1
+python-dateutil==2.9.0.post0
     # via -r requirements.in
 python-dotenv==1.2.1
     # via pydantic-settings