diff --git a/requires.txt b/requires.txt
--- a/requires.txt
+++ b/requires.txt
@@ -3,17 +3,16 @@ Beaker==1.6.3
 WebHelpers==1.3
 formencode==1.2.4
 SQLAlchemy==0.7.6
-Mako==0.6.2
+Mako==0.7.0
 pygments>=1.4
-whoosh>=2.3.0,<2.4
+whoosh>=2.4.0,<2.5
 celery>=2.2.5,<2.3
 babel
 python-dateutil>=1.5.0,<2.0.0
-dulwich>=0.8.4,<0.9.0
+dulwich>=0.8.5,<0.9.0
 webob==1.0.8
 markdown==2.1.1
 docutils==0.8.1
-simplejson
-pysqlite
+simplejson==2.5.2
 py-bcrypt
-mercurial>=2.1,<2.2
\ No newline at end of file
+mercurial>=2.2.1,<2.3
\ No newline at end of file