diff --git a/setup.py b/setup.py
index a6efa47..89fadaa 100644
--- a/setup.py
+++ b/setup.py
@@ -17,7 +17,7 @@
         'gitimpact': ['templates/*']
     },
     install_requires=[
-        "gitpython==2.1.11",
+        "gitpython==3.1.37",
         "python-redmine==1.5.1",
         "ruamel.yaml==0.13.14",
         "sklearn==0.0",