diff --git a/setup.py b/setup.py
--- a/setup.py
+++ b/setup.py
@@ -8,8 +8,8 @@ requirements = [
         "Mako>=0.3.5",
         "vcs>=0.1.10",
         "pygments>=1.3.0",
-        "mercurial==1.6.4",
-        "whoosh>=1.2.5",
+        "mercurial>=1.6.4",
+        "whoosh>=1.3.1",
         "celery>=2.1.2",
         "py-bcrypt",
         "babel",