diff --git a/pkgs/applications/graphics/freecad/default.nix b/pkgs/applications/graphics/freecad/default.nix
index f9322add5c0..563b3a5486f 100644
--- a/pkgs/applications/graphics/freecad/default.nix
+++ b/pkgs/applications/graphics/freecad/default.nix
@@ -32,6 +32,7 @@ in mkDerivation rec {
     libGLU libXmu qtbase qttools qtwebengine qtxmlpatterns
   ] ++ (with pythonPackages; [
     matplotlib pycollada shiboken2 pyside2 pyside2-tools pivy python boost
+    GitPython # for addon manager
   ]);
 
   cmakeFlags = [