diff --git a/pkgs/development/libraries/haskell/blaze-html/default.nix b/pkgs/development/libraries/haskell/blaze-html/default.nix
index fd9d364fbb4..ee1b686493c 100644
--- a/pkgs/development/libraries/haskell/blaze-html/default.nix
+++ b/pkgs/development/libraries/haskell/blaze-html/default.nix
@@ -4,8 +4,8 @@
 
 cabal.mkDerivation (self: {
   pname = "blaze-html";
-  version = "0.6.1.3";
-  sha256 = "0hjyi3iv2770wicgfjipa901vk7mwr8kknfqvj3v9kzcvb4lq5aq";
+  version = "0.7.0.0";
+  sha256 = "1k8mxq3hmf2s7qab67jz3yaan7wdc4mn5sa00rw5zk4mjh722w86";
   buildDepends = [ blazeBuilder blazeMarkup text ];
   testDepends = [
     blazeBuilder blazeMarkup HUnit QuickCheck testFramework