diff --git a/git/ext/gitdb b/git/ext/gitdb
index 335c0f661..4c63ee663 160000
--- a/git/ext/gitdb
+++ b/git/ext/gitdb
@@ -1 +1 @@
-Subproject commit 335c0f66173eecdc7b2597c2b6c3d1fde795df30
+Subproject commit 4c63ee6636a6a3370f58b05d0bd19fec2f16dd5a