diff --git a/packages/@jsii/python-runtime/requirements.txt b/packages/@jsii/python-runtime/requirements.txt
index 6b2fb137c6..b4bb4d076e 100644
--- a/packages/@jsii/python-runtime/requirements.txt
+++ b/packages/@jsii/python-runtime/requirements.txt
@@ -4,7 +4,7 @@ pip~=24.0
 pytest~=8.1
 pytest-mypy~=0.10
 setuptools~=69.2.0
-types-python-dateutil~=2.8
+types-python-dateutil~=2.9
 wheel~=0.43
 
 -e .