diff --git a/jack.cabal b/jack.cabal
--- a/jack.cabal
+++ b/jack.cabal
@@ -1,5 +1,5 @@
 Name:               jack
-Version:            0.7.0.2
+Version:            0.7.0.3
 License:            GPL
 License-File:       LICENSE
 Author:             Henning Thielemann, Stefan Kersten, Soenke Hahn <soenkehahn@gmail.com>
@@ -30,7 +30,7 @@
 Source-Repository this
   type:     darcs
   location: http://code.haskell.org/jack/
-  tag:      0.7.0.2
+  tag:      0.7.0.3
 
 Flag pkgConfig
   description: Use pkg-config tool for check version and presence of jack
@@ -51,7 +51,7 @@
     non-negative >=0.1 && <0.2,
     bytestring >=0.9.1.4 && <0.11,
     explicit-exception >=0.1.7 && <0.2,
-    transformers >=0.2 && <0.4,
+    transformers >=0.2 && <0.5,
     enumset >=0.0 && <0.1,
     array >=0.4 && <0.6,
     unix >=2.3 && <2.8,
@@ -104,7 +104,7 @@
   Else
     Buildable: False
   Default-Language:   Haskell98
-  GHC-Options:        -Wall -fwarn-tabs -fwarn-incomplete-record-updates -rtsopts
+  GHC-Options:        -Wall -fwarn-tabs -fwarn-incomplete-record-updates
   Hs-Source-Dirs:     examples
   Main-Is:            Amplify.hs
 
@@ -113,7 +113,7 @@
     Build-Depends:
       jack,
       explicit-exception >=0.1.7 && <0.2,
-      transformers >=0.2 && <0.4,
+      transformers,
       array,
       base >=3.0 && <5
   Else
@@ -128,13 +128,13 @@
     Build-Depends:
       jack,
       explicit-exception >=0.1.7 && <0.2,
-      transformers >=0.2 && <0.4,
+      transformers,
       array,
       base >=3.0 && <5
   Else
     Buildable: False
   Default-Language:   Haskell98
-  GHC-Options:        -Wall -fwarn-tabs -fwarn-incomplete-record-updates -rtsopts
+  GHC-Options:        -Wall -fwarn-tabs -fwarn-incomplete-record-updates
   Hs-Source-Dirs:     examples
   Main-Is:            ImpulseTrain.hs
 
@@ -147,7 +147,7 @@
   Else
     Buildable: False
   Default-Language:   Haskell98
-  GHC-Options:        -Wall -fwarn-tabs -fwarn-incomplete-record-updates -rtsopts
+  GHC-Options:        -Wall -fwarn-tabs -fwarn-incomplete-record-updates
   Hs-Source-Dirs:     examples
   Main-Is:            Midimon.hs
 
@@ -158,7 +158,7 @@
       midi >=0.1.5.2 && <0.3,
       event-list >=0.1 && <0.2,
       explicit-exception >=0.1.7 && <0.2,
-      transformers >=0.2 && <0.4,
+      transformers,
       containers >=0.2 && <0.6,
       bytestring >=0.9.1 && <0.11,
       storablevector >=0.2.7 && <0.3,
