diff --git a/requirements.txt b/requirements.txt
index a3a86e9..b7ca1d6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -43,7 +43,7 @@ gfdiffbrowsers==0.1.7
 gflanguages==0.4.0
 gftools==0.9.10
 gitdb==4.0.9
-GitPython==3.1.27
+GitPython==3.1.37
 glyphsets==0.5.0
 glyphsLib==6.0.5
 glyphtools==0.8.0