diff --git a/pkgs/development/tools/haskell/hlint/default.nix b/pkgs/development/tools/haskell/hlint/default.nix
index b78785f8fc13..c8ede663be4a 100644
--- a/pkgs/development/tools/haskell/hlint/default.nix
+++ b/pkgs/development/tools/haskell/hlint/default.nix
@@ -4,8 +4,8 @@
 
 cabal.mkDerivation (self: {
   pname = "hlint";
-  version = "1.8.55";
-  sha256 = "184y0vh5rwsv13vj49zvgwwpgdf5y7wxfisry9pv2998flwkf4rj";
+  version = "1.8.56";
+  sha256 = "1idff4jaca324acbr0aa64j977l5nxnlfk9nny33i81b5hzciwmw";
   isLibrary = true;
   isExecutable = true;
   buildDepends = [