diff --git a/synthesizer-core.cabal b/synthesizer-core.cabal
--- a/synthesizer-core.cabal
+++ b/synthesizer-core.cabal
@@ -1,5 +1,5 @@
 Name:           synthesizer-core
-Version:        0.5.1
+Version:        0.5.2
 License:        GPL
 License-File:   LICENSE
 Author:         Henning Thielemann <haskell@henning-thielemann.de>
@@ -51,6 +51,11 @@
   default:     False
 
 
+Source-Repository this
+  Tag:         0.5.2
+  Type:        darcs
+  Location:    http://code.haskell.org/synthesizer/core/
+
 Source-Repository head
   Type:        darcs
   Location:    http://code.haskell.org/synthesizer/core/
@@ -68,7 +73,7 @@
     utility-ht >=0.0.5 && <0.1,
     filepath >=1.1 && <1.4,
     stream-fusion >=0.1.2 && <0.2,
-    bytestring >=0.9 && <0.10,
+    bytestring >=0.9 && <0.11,
     binary >=0.1 && <1,
     deepseq >=1.1 && <1.4,
     storablevector >=0.2.5 && <0.3,
@@ -85,7 +90,7 @@
       Build-Depends: base >= 3 && <4
     Build-Depends:
       array >=0.1 && <0.5,
-      containers >=0.1 && <0.5,
+      containers >=0.1 && <0.6,
       random >=1.0 && <2.0,
       process >=1.0 && <1.2
   Else