diff --git a/requirements-dev.txt b/requirements-dev.txt
index 7ab2354d9..a63756e97 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -30,4 +30,4 @@ types-cachetools==5.2.1
 types-filelock==3.2.7
 types-requests==2.28.11.8
 types-tabulate==0.9.0.0
-types-python-dateutil==2.8.19.5
+types-python-dateutil==2.8.19.6