diff --git a/pkgs/development/libraries/haskell/fast-logger/default.nix b/pkgs/development/libraries/haskell/fast-logger/default.nix
index ee51859404c..1b3a623a4ff 100644
--- a/pkgs/development/libraries/haskell/fast-logger/default.nix
+++ b/pkgs/development/libraries/haskell/fast-logger/default.nix
@@ -2,8 +2,8 @@
 
 cabal.mkDerivation (self: {
   pname = "fast-logger";
-  version = "2.0.0";
-  sha256 = "0a2pmdj2q1mlpkwjszlb4gp6xk2bn8540cqhwjya55arx6rj9vs7";
+  version = "2.0.3";
+  sha256 = "13qjdkfps673wy8mnaqkni43kbxxhimzbshv1ifhwf4s8wgc2mjw";
   buildDepends = [ blazeBuilder filepath text ];
   testDepends = [ hspec ];
   meta = {