diff --git a/hedis.cabal b/hedis.cabal
--- a/hedis.cabal
+++ b/hedis.cabal
@@ -1,5 +1,5 @@
 name:               hedis
-version:            0.6.5
+version:            0.6.6
 synopsis:
     Client library for the Redis datastore: supports full command set,  
     pipelining.
@@ -55,14 +55,14 @@
   ghc-options:      -Wall -fwarn-tabs
   ghc-prof-options: -auto-all
   exposed-modules:  Database.Redis
-  build-depends:    attoparsec >= 0.10,
+  build-depends:    attoparsec >= 0.12,
                     base == 4.*,
-                    BoundedChan == 1.0.*,
+                    BoundedChan >= 1.0,
                     bytestring >= 0.9 && < 0.11,
-                    bytestring-lexing == 0.4.*,
-                    mtl == 2.*,
-                    network == 2.*,
-                    resource-pool == 0.2.*,
+                    bytestring-lexing >= 0.4,
+                    mtl >= 2,
+                    network >= 2,
+                    resource-pool >= 0.2,
                     time,
                     vector >= 0.9 && < 0.11