diff --git a/requirements/dev.txt b/requirements/dev.txt
index 8aea407fd3a..02a8ee8ae71 100644
--- a/requirements/dev.txt
+++ b/requirements/dev.txt
@@ -8,6 +8,6 @@ types-chardet==5.0.4.6
 types-ujson==5.10.0.20240515
 types-PyYAML==6.0.12.20240808
 types-requests==2.32.0.20240907 # 2.31.0.7 introduced a regression
-types-python-dateutil==2.9.0.20240821
+types-python-dateutil==2.9.0.20240906
 ruff==0.6.4
 wheel==0.44.0
\ No newline at end of file