diff --git a/snaplet-riak.cabal b/snaplet-riak.cabal
--- a/snaplet-riak.cabal
+++ b/snaplet-riak.cabal
@@ -1,5 +1,5 @@
 name:                snaplet-riak
-version:             0.2.0.0
+version:             0.2.1.0
 synopsis:            A Snaplet for the Riak database
 description:         A Snaplet allowing easy use of the Riak database within
                      the Snap framework.
@@ -16,21 +16,19 @@
 library
   hs-source-dirs:      src
 
-  -- exposed-modules:     
-  -- other-modules:       
   Build-depends:
     base                      >= 4     && < 5,
-    transformers              >= 0.3.0 && < 0.4,
-    mtl                       >= 2.1.2 && < 2.2,
+    transformers              >= 0.4.1 && < 0.5,
+    mtl                       >= 2.1.2 && < 2.3,
     containers                >= 0.5.0 && < 0.6,
-    aeson                     >= 0.6.0 && < 0.7,
-    snap                      >= 0.9.2 && < 0.10,
-    snap-core                 >= 0.9.2 && < 0.10,
-    data-lens-template        >= 2.1.7 && < 2.2,
-    data-lens                 >= 2.10.2 && < 2.11,
-    riak                      >= 0.7.0 && < 0.8,
-    riak-protobuf             >= 0.16.0 && < 0.17,
-    time                      >= 1.4.0 && < 1.5
+    aeson                     >= 0.7.0.4 && < 0.12,
+    data-lens,                 
+    data-lens-template,                 
+    snap                      >= 0.9.2 && < 0.15,
+    snap-core                 >= 0.9.2 && < 0.11,
+    riak                      >= 0.7.0 && < 0.10,
+    riak-protobuf             >= 0.16.0 && < 0.21,
+    time                      >= 1.4.0 && < 1.6
 
   Exposed-modules:            Snap.Snaplet.Riak
 
diff --git a/src/Snap/Snaplet/Riak.hs b/src/Snap/Snaplet/Riak.hs
--- a/src/Snap/Snaplet/Riak.hs
+++ b/src/Snap/Snaplet/Riak.hs
@@ -109,12 +109,12 @@
 delete :: (HasRiak m) => Bucket -> Key -> RW -> m ()
 delete b k rw = withRiak $ \conn -> R.delete conn b k rw
 
-put :: 
+put ::
   (HasRiak m, Eq a, FromJSON a, ToJSON a, Resolvable a)
   => Bucket -> Key -> Maybe VClock -> a -> W -> DW -> m (a, VClock)
 put b k vc c w dw = withRiak $ \conn -> R.put conn b k vc c w dw
 
-putMany :: 
+putMany ::
   (HasRiak m, Eq a, FromJSON a, ToJSON a, Resolvable a)
   => Bucket -> [(Key, Maybe VClock, a)] -> W -> DW -> m [(a, VClock)]
 putMany b ks w dw = withRiak $ \conn -> R.putMany conn b ks w dw