diff --git a/requirements-dev.txt b/requirements-dev.txt
index 9458be1ef..7213f52b3 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -26,4 +26,4 @@ types-cachetools==5.0.1
 types-filelock==3.2.5
 types-requests==2.27.25
 types-tabulate==0.8.8
-types-python-dateutil==2.8.14
+types-python-dateutil==2.8.15