diff --git a/setup.py b/setup.py
index 3e68eacbc..401e9bf9c 100644
--- a/setup.py
+++ b/setup.py
@@ -80,7 +80,7 @@
 ]
 
 extra_deps['docs'] = [
-    'GitPython==3.1.34',
+    'GitPython==3.1.36',
     'docutils==0.18.1',
     'furo==2023.7.26',
     'myst-parser==2.0.0',