diff --git a/requirements.txt b/requirements.txt
index 7b332e1e..d0271e53 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -29,7 +29,7 @@ djangorestframework==3.11.2
 dockerignore-generate==1.0.7
 freezegun==0.3.11
 gitdb2==3.0.2
-GitPython==3.0.8
+GitPython==3.1.27
 google-api-core==1.14.0
 google-auth==1.6.3
 google-cloud-bigquery==1.15.0