diff --git a/docs/requirements3.txt b/docs/requirements3.txt
index 6299a1f0..9dcc8bb0 100644
--- a/docs/requirements3.txt
+++ b/docs/requirements3.txt
@@ -1,5 +1,5 @@
 -r ../requirements3.txt
-GitPython==2.0.8
+GitPython==3.1.37
 Jinja2==2.11.3
 Pygments==2.7.4
 alabaster==0.7.10