diff --git a/pkgs/development/libraries/haskell/hamlet/default.nix b/pkgs/development/libraries/haskell/hamlet/default.nix
index b40025ff716..b64668b4366 100644
--- a/pkgs/development/libraries/haskell/hamlet/default.nix
+++ b/pkgs/development/libraries/haskell/hamlet/default.nix
@@ -4,8 +4,8 @@
 
 cabal.mkDerivation (self: {
   pname = "hamlet";
-  version = "1.1.7.3";
-  sha256 = "0532gf4xdbjxjpv7gsfv0bapnnb4g81jcfzkn71nwizi8zls3qck";
+  version = "1.1.7.4";
+  sha256 = "01sgd4p2d4irphgpvr7waag6jn8y329yj9zdjswrqklyygpp98hj";
   buildDepends = [
     blazeBuilder blazeHtml blazeMarkup failure parsec shakespeare text
   ];