diff --git a/pkgs/development/libraries/haskell/monad-logger/default.nix b/pkgs/development/libraries/haskell/monad-logger/default.nix
index 66f10e16e662..740b68edb968 100644
--- a/pkgs/development/libraries/haskell/monad-logger/default.nix
+++ b/pkgs/development/libraries/haskell/monad-logger/default.nix
@@ -2,8 +2,8 @@
 
 cabal.mkDerivation (self: {
   pname = "monad-logger";
-  version = "0.2.0";
-  sha256 = "0rsp24lx9gcvayj5d6afq26qrggm9qrjqjpdm7088xbl5k0c71fz";
+  version = "0.2.0.1";
+  sha256 = "151brb5h92xc0mhfqcapmxib7vh2k36rsw493fxbn3256xkzc8gk";
   buildDepends = [ fastLogger resourcet text transformers ];
   meta = {
     homepage = "https://github.com/kazu-yamamoto/logger";