diff --git a/pkgs/development/libraries/haskell/language-javascript/default.nix b/pkgs/development/libraries/haskell/language-javascript/default.nix
index abf8df4f5569..d2cc342c4774 100644
--- a/pkgs/development/libraries/haskell/language-javascript/default.nix
+++ b/pkgs/development/libraries/haskell/language-javascript/default.nix
@@ -4,8 +4,8 @@
 
 cabal.mkDerivation (self: {
   pname = "language-javascript";
-  version = "0.5.8";
-  sha256 = "0slwj2bi9v7qjr6ai5dwql7fqgsh8k9k2bzlsq407iacsv0w3b9h";
+  version = "0.5.9";
+  sha256 = "1m1fs2vaw3yn9ryd49aprxc5l10xkr86mlxxf5bk6qp51wnp9xqh";
   buildDepends = [ blazeBuilder mtl utf8Light utf8String ];
   testDepends = [
     blazeBuilder Cabal HUnit mtl QuickCheck testFramework