diff --git a/pkgs/development/libraries/haskell/mwc-random/default.nix b/pkgs/development/libraries/haskell/mwc-random/default.nix
index 3e9be2c5e58..2d6b846e706 100644
--- a/pkgs/development/libraries/haskell/mwc-random/default.nix
+++ b/pkgs/development/libraries/haskell/mwc-random/default.nix
@@ -4,8 +4,8 @@
 
 cabal.mkDerivation (self: {
   pname = "mwc-random";
-  version = "0.12.0.1";
-  sha256 = "1sq4yxi231ka8rzwsihqziibs7amvl27ycr018wymm3yz36vsy7c";
+  version = "0.13.0.0";
+  sha256 = "16f8dd81wj81h0jcqnrlr2d6mjc7q2r436qf8z320d6wpzih2djy";
   buildDepends = [ primitive time vector ];
   testDepends = [
     HUnit QuickCheck statistics testFramework testFrameworkHunit