diff --git a/vector.cabal b/vector.cabal
index 74a0e068fe98eadfff22435cf2602d95afb1038e..979ba519085d6cb5a537b6006d65db1dce0f74f7 100644
--- a/vector.cabal
+++ b/vector.cabal
@@ -1,5 +1,5 @@
 Name:           vector
-Version:        0.5
+Version:        0.4.1
 License:        BSD3
 License-File:   LICENSE
 Author:         Roman Leshchinskiy <rl@cse.unsw.edu.au>