diff --git a/pkgs/development/libraries/haskell/tf-random/default.nix b/pkgs/development/libraries/haskell/tf-random/default.nix
index 3ff0b2d9b84..79e27f87fc6 100644
--- a/pkgs/development/libraries/haskell/tf-random/default.nix
+++ b/pkgs/development/libraries/haskell/tf-random/default.nix
@@ -2,8 +2,8 @@
 
 cabal.mkDerivation (self: {
   pname = "tf-random";
-  version = "0.4";
-  sha256 = "0yi7699zswpsn9a39ccqkyd0117sppjnqggclnhs1wm7ql1glc27";
+  version = "0.5";
+  sha256 = "0445r2nns6009fmq0xbfpyv7jpzwv0snccjdg7hwj4xk4z0cwc1f";
   buildDepends = [ primitive random time ];
   meta = {
     description = "High-quality splittable pseudorandom number generator";