diff --git a/requirements.txt b/requirements.txt
index b24d171..f5525b6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,8 +5,7 @@
 Paste
 WebOb>=1.2.3,<1.3
 paramiko>=1.8.0
-GitPython>=0.3.2.1
-lockfile>=0.8
+GitPython>=0.3.3
 ordereddict
 python-daemon>=2.0.4
 extras