diff --git a/requires.txt b/requires.txt
--- a/requires.txt
+++ b/requires.txt
@@ -1,16 +1,17 @@
 Pylons==1.0.0
-Beaker==1.5.4
+Beaker==1.6.2
 WebHelpers>=1.2
 formencode==1.2.4
 SQLAlchemy==0.7.4
 Mako==0.5.0
 pygments>=1.4
-whoosh<1.8
+whoosh>=2.3.0,<2.4
 celery>=2.2.5,<2.3
 babel
 python-dateutil>=1.5.0,<2.0.0
 dulwich>=0.8.0,<0.9.0
-vcs==0.2.2
 webob==1.0.8
+markdown==2.1.1
+docutils==0.8.1
 py-bcrypt
-mercurial==2.0.2
\ No newline at end of file
+mercurial>=2.1,<2.2
\ No newline at end of file