diff --git a/pkgs/development/libraries/haskell/blaze-html/default.nix b/pkgs/development/libraries/haskell/blaze-html/default.nix
index dbeb4721f33..0231b9e8e00 100644
--- a/pkgs/development/libraries/haskell/blaze-html/default.nix
+++ b/pkgs/development/libraries/haskell/blaze-html/default.nix
@@ -2,8 +2,8 @@
 
 cabal.mkDerivation (self: {
   pname = "blaze-html";
-  version = "0.4.3.0";
-  sha256 = "1018mfsc1cqbyxlil136171n9qi9sypchlmmfqawf3aa1sjskmfg";
+  version = "0.4.3.1";
+  sha256 = "0yhwlwmjy3jagxscz2i0yjfy6akqpamn9c35ffxcgpr0kj6qlpfp";
   buildDepends = [ blazeBuilder text ];
   meta = {
     homepage = "http://jaspervdj.be/blaze";