diff --git a/pkgs/development/libraries/haskell/monad-logger/default.nix b/pkgs/development/libraries/haskell/monad-logger/default.nix
index 0b92ca0bb90..83cd57ce39b 100644
--- a/pkgs/development/libraries/haskell/monad-logger/default.nix
+++ b/pkgs/development/libraries/haskell/monad-logger/default.nix
@@ -5,8 +5,8 @@
 
 cabal.mkDerivation (self: {
   pname = "monad-logger";
-  version = "0.3.2.0";
-  sha256 = "0pgjayx6h1zqadqrzaf36070kir7qlinha9h4bf532lfx5yc1yxg";
+  version = "0.3.3.1";
+  sha256 = "1amihx9jl42w7sm01ihnldvgv9cilg89im7gr9l0x2f6q4nbhbl2";
   buildDepends = [
     conduit fastLogger liftedBase monadControl monadLoops mtl resourcet
     stm stmChans text transformers transformersBase