diff --git a/requires.txt b/requires.txt
--- a/requires.txt
+++ b/requires.txt
@@ -10,9 +10,8 @@ celery>=2.2.5,<2.3
 babel
 python-dateutil>=1.5.0,<2.0.0
 dulwich>=0.8.0,<0.9.0
-vcs>=0.2.3.dev
 webob==1.0.8
-markdown==2.0.3
+markdown==2.1.1
 docutils==0.8.1
 py-bcrypt
 mercurial>=2.1,<2.2
\ No newline at end of file