diff --git a/haskell-neo4j-client.cabal b/haskell-neo4j-client.cabal
--- a/haskell-neo4j-client.cabal
+++ b/haskell-neo4j-client.cabal
@@ -1,5 +1,5 @@
 name:                haskell-neo4j-client
-version:             0.3.0.11
+version:             0.3.0.12
 synopsis:            A Haskell neo4j client
 description:         
     Library to interact with Neo4j databases. 
@@ -47,7 +47,7 @@
                    , http-types                  == 0.8.*
                    , resourcet                   == 1.1.*
                    , data-default                == 0.5.*
-                   , transformers                >  0.3        && < 0.5
+                   , transformers                >= 0.3        && < 0.5
                    , transformers-compat         >  0.3        && < 0.5
                    , aeson                       >= 0.7        && < 0.9
                    , vector                      == 0.10.*
@@ -58,7 +58,7 @@
                    , lifted-base                 == 0.2.*
                    , hashable                    == 1.2.*
                    , monad-control               == 0.3.*
-                   , mtl                         == 2.2.*
+                   , mtl                         >= 2.1        && < 2.3
 
 library
   hs-source-dirs:      src
@@ -76,7 +76,7 @@
                      , bytestring            == 0.10.*
                      , resourcet             == 1.1.*
                      , data-default          == 0.5.*
-                     , transformers          >  0.3        && < 0.5
+                     , transformers          >= 0.3        && < 0.5
                      , transformers-compat   >  0.3        && < 0.5
                      , aeson                 >= 0.7        && < 0.9
                      , vector                == 0.10.*
@@ -87,4 +87,4 @@
                      , hashable              == 1.2.*
                      , transformers-base     == 0.4.*
                      , monad-control         == 0.3.*
-                     , mtl                   == 2.2.*
+                     , mtl                   >= 2.1        && < 2.3