diff --git a/requirements-dev.txt b/requirements-dev.txt
index 188097b43..a96bb1d3a 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -28,4 +28,4 @@ types-cachetools==5.3.0.7
 types-filelock==3.2.7
 types-requests==2.31.0.20240311
 types-tabulate==0.9.0.20240106
-types-python-dateutil==2.8.19.20240311
+types-python-dateutil==2.9.0.20240316