diff --git a/requirements-lock.txt b/requirements-lock.txt
index 86b50a3..69ae2fe 100644
--- a/requirements-lock.txt
+++ b/requirements-lock.txt
@@ -76,7 +76,7 @@ Pygments==2.21.0
 pyparsing==3.3.3
 pyreadstat==1.3.6
 pytest==9.1.1
-python-dateutil==2.9.0.post0
+python-dateutil==3.0.0
 PyYAML==6.0.3
 pyzmq==27.2.0
 referencing==0.37.0