diff --git a/pkgs/development/libraries/haskell/monad-loops/default.nix b/pkgs/development/libraries/haskell/monad-loops/default.nix
index 8aca5bbfc5a3..ef7d6c27173b 100644
--- a/pkgs/development/libraries/haskell/monad-loops/default.nix
+++ b/pkgs/development/libraries/haskell/monad-loops/default.nix
@@ -2,8 +2,8 @@
 
 cabal.mkDerivation (self: {
   pname = "monad-loops";
-  version = "0.3.2.0";
-  sha256 = "0si8vz1r13lwliya161kwgrb5dpj01j74b6gbjyv78d5fd4hn7n2";
+  version = "0.3.3.0";
+  sha256 = "06v8wnkbjrpsy47shjy2bd8asbw6d5rgzy8z5q0jwdhira42h3v1";
   buildDepends = [ stm ];
   meta = {
     homepage = "https://github.com/mokus0/monad-loops";