diff --git a/pkgs/development/libraries/haskell/comonad/default.nix b/pkgs/development/libraries/haskell/comonad/default.nix
index 7e11886fc58..86a8a5c2c30 100644
--- a/pkgs/development/libraries/haskell/comonad/default.nix
+++ b/pkgs/development/libraries/haskell/comonad/default.nix
@@ -2,8 +2,8 @@
 
 cabal.mkDerivation (self: {
   pname = "comonad";
-  version = "3.0.2";
-  sha256 = "0ryyifcxc5rmjrf9323zzj357709mah1hdsrnrbakd5ck7grjfay";
+  version = "3.0.3";
+  sha256 = "1wngwa1cdww5c631dcil0c7mgkqx9bj7m5i63p7d9ymhpyx9sw2l";
   buildDepends = [ semigroups transformers ];
   testDepends = [ doctest filepath ];
   meta = {