diff --git a/pkgs/development/libraries/haskell/stylish-haskell/default.nix b/pkgs/development/libraries/haskell/stylish-haskell/default.nix
index 74646c9acca..c430dfc36a6 100644
--- a/pkgs/development/libraries/haskell/stylish-haskell/default.nix
+++ b/pkgs/development/libraries/haskell/stylish-haskell/default.nix
@@ -4,8 +4,8 @@
 
 cabal.mkDerivation (self: {
   pname = "stylish-haskell";
-  version = "0.5.8.0";
-  sha256 = "1wjrn4cq47jjmqkb2zv02x90l2mv6n7zh4mvcav25s9bwvvca10r";
+  version = "0.5.9.0";
+  sha256 = "1iy0d437yd6hgmxmiqa0b6lvg4gw838jxqwn83kdpy1mlykqwmgq";
   isLibrary = true;
   isExecutable = true;
   buildDepends = [