diff --git a/pkgs/development/libraries/haskell/hamlet/default.nix b/pkgs/development/libraries/haskell/hamlet/default.nix
index 4fd567f75aa..0fc9d7b59f3 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 = "1.1.1";
-  sha256 = "0003rp40px3zd5j2k8mm6igafbw8npn0zxm3ip27pq506ak2a0p9";
+  version = "1.1.1.1";
+  sha256 = "0vxnvh9npsf1jxh471fnr2d13bdi7p8sxn5b2w86bla3q273jxp8";
   buildDepends = [
     blazeBuilder blazeHtml blazeMarkup failure parsec shakespeare text
   ];