diff --git a/setup.py b/setup.py
--- a/setup.py
+++ b/setup.py
@@ -4,13 +4,13 @@ py_version = sys.version_info
 
 requirements = [
         "Pylons>=1.0.0",
-        "SQLAlchemy>=0.6",
-        "Mako>=0.3.2",
-        "vcs==0.1.8",
+        "SQLAlchemy>=0.6.4",
+        "Mako>=0.3.5",
+        "vcs==0.1.10",
         "pygments>=1.3.0",
-        "mercurial>=1.6",
-        "whoosh==1.0.0",
-        "celery>=2.0.0",
+        "mercurial==1.6.4",
+        "whoosh==1.1.0",
+        "celery==2.1.1",
         "py-bcrypt",
         "babel",
     ]