diff --git a/setup.py b/setup.py
index 3aa43b60697c9c46ce1691ee2a657b75087e3fc0_c2V0dXAucHk=..6f06c47842d60b4be2144d905a1b19903add117e_c2V0dXAucHk= 100644
--- a/setup.py
+++ b/setup.py
@@ -19,5 +19,5 @@
     keywords='hg git mercurial',
     license='GPLv2',
     packages=['hggit'],
-    install_requires=['dulwich>=0.4.0'],
+    install_requires=['dulwich>=0.5.1'],
 )