diff --git a/Database/Persist/MySQL.hs b/Database/Persist/MySQL.hs
--- a/Database/Persist/MySQL.hs
+++ b/Database/Persist/MySQL.hs
@@ -40,6 +40,7 @@
 import Database.Persist.GenericSql hiding (Key)
 import Database.Persist.GenericSql.Internal
 import Database.Persist.EntityDef
+import Data.Int (Int64)
 
 import qualified Database.MySQL.Simple        as MySQL
 import qualified Database.MySQL.Simple.Param  as MySQL
@@ -140,8 +141,8 @@
 
 
 -- | Execute an statement that doesn't return any results.
-execute' :: MySQL.Connection -> MySQL.Query -> [PersistValue] -> IO ()
-execute' conn query vals = MySQL.execute conn query (map P vals) >> return ()
+execute' :: MySQL.Connection -> MySQL.Query -> [PersistValue] -> IO Int64
+execute' conn query vals = MySQL.execute conn query (map P vals)
 
 
 -- | Execute an statement that does return results.  The results
diff --git a/persistent-mysql.cabal b/persistent-mysql.cabal
--- a/persistent-mysql.cabal
+++ b/persistent-mysql.cabal
@@ -1,5 +1,5 @@
 name:            persistent-mysql
-version:         1.1.2
+version:         1.1.3
 license:         MIT
 license-file:    LICENSE
 author:          Felipe Lessa <felipe.lessa@gmail.com>, Michael Snoyman
@@ -25,16 +25,16 @@
 
 library
     build-depends:   base                  >= 4        && < 5
-                   , transformers          >= 0.2.1    && < 0.4
+                   , transformers          >= 0.2.1
                    , mysql-simple          >= 0.2.2.3  && < 0.3
                    , mysql                 >= 0.1.1.3  && < 0.2
-                   , persistent            >= 1.1.2    && < 1.2
+                   , persistent            >= 1.1.5    && < 1.2
                    , containers            >= 0.2
                    , bytestring            >= 0.9
-                   , text                  >= 0.11.0.6 && < 0.12
-                   , monad-control         >= 0.2      && < 0.4
+                   , text                  >= 0.11.0.6
+                   , monad-control         >= 0.2
                    , aeson                 >= 0.5
-                   , conduit               >= 0.5.3    && < 0.6
+                   , conduit               >= 0.5.3
     exposed-modules: Database.Persist.MySQL
     ghc-options:     -Wall