diff --git a/requirements.in b/requirements.in
index 5a7b246..f58c539 100644
--- a/requirements.in
+++ b/requirements.in
@@ -21,7 +21,7 @@ oic~=0.11.0
 pip-tools~=6.6.2
 psycopg2-binary~=2.9.3
 pylint~=2.6.0
-python-dateutil~=2.6.1
+python-dateutil~=2.8.2
 python-editor~=1.0.3
 sentry-sdk[flask]~=0.19.5
 six~=1.12.0
diff --git a/requirements.txt b/requirements.txt
index e6cff61..061a9ea 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -137,7 +137,7 @@ pyopenssl==22.0.0
     # via oic
 pyparsing==3.0.9
     # via packaging
-python-dateutil==2.6.1
+python-dateutil==2.8.2
     # via
     #   -r requirements.in
     #   alembic