diff --git a/Cabal.cabal b/Cabal.cabal
index c8f4083fe3f..c16a506bfa9 100644
--- a/Cabal.cabal
+++ b/Cabal.cabal
@@ -1,5 +1,5 @@
 Name: Cabal
-Version: 1.3.9
+Version: 1.5.1
 Copyright: 2003-2006, Isaac Jones
 License: BSD3
 License-File: LICENSE
@@ -35,7 +35,7 @@ Library
   Build-Depends: filepath
 
   GHC-Options: -Wall
-  CPP-Options: "-DCABAL_VERSION=1,3,9"
+  CPP-Options: "-DCABAL_VERSION=1,5,1"
   nhc98-Options: -K4M
 
   Exposed-Modules:
diff --git a/Makefile b/Makefile
index 893821d845a..3ccc997dacd 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 
-VERSION=1.3.9
+VERSION=1.5.1
 
 KIND=devel
 #KIND=rc
diff --git a/releaseNotes b/releaseNotes
index bfaa923083b..97479725eee 100644
--- a/releaseNotes
+++ b/releaseNotes
@@ -9,7 +9,7 @@ changes and installation instructions.
 
 DOWNLOAD:
 
-The Haskell Cabal has reached development version 1.3.9
+The Haskell Cabal has reached development version 1.5.1
 
 Download the Cabal here (source and debian versions available):
 http://www.haskell.org/cabal/download.html