diff --git a/happstack-lite.cabal b/happstack-lite.cabal
--- a/happstack-lite.cabal
+++ b/happstack-lite.cabal
@@ -1,5 +1,5 @@
 Name:                happstack-lite
-Version:             7.3.3
+Version:             7.3.4
 Synopsis:            Happstack minus the useless stuff
 Description:         This packages provides a subset of Happstack that is easier to learn but still very useful. It as 100% compatible with the full version of Happstack.
 Homepage:            http://www.happstack.com/
@@ -17,7 +17,7 @@
                  Happstack.Lite
 
   Build-depends: base             < 5,
-                 bytestring       >= 0.9 && < 0.11,
-                 happstack-server >= 7.1 && < 7.4,
-                 mtl              >= 2 && < 2.2,
+                 bytestring       >= 0.9  && < 0.11,
+                 happstack-server >= 7.1  && < 7.4,
+                 mtl              >= 2    && < 2.3,
                  text             >= 0.11 && < 1.2