diff --git a/ghc/mk/version.mk b/ghc/mk/version.mk
index 684ba5ad4a766258180300f6836db6c5a70ee3eb..b52f1bd2a2be115854d2d0050f8d6cc73e90fd3e 100644
--- a/ghc/mk/version.mk
+++ b/ghc/mk/version.mk
@@ -21,8 +21,8 @@
 
 ProjectName       = The Glorious Glasgow Haskell Compilation System
 ProjectNameShort  = ghc
-ProjectVersion    = 4.04
-ProjectVersionInt = 404
+ProjectVersion    = 4.05
+ProjectVersionInt = 405
 ProjectPatchLevel = 0
 
 #