diff --git a/pkgs/development/libraries/haskell/hastache/default.nix b/pkgs/development/libraries/haskell/hastache/default.nix
index ac9515348db..906df662fa7 100644
--- a/pkgs/development/libraries/haskell/hastache/default.nix
+++ b/pkgs/development/libraries/haskell/hastache/default.nix
@@ -1,10 +1,10 @@
-{ cabal, blazeBuilder, mtl, syb, text, utf8String }:
+{ cabal, blazeBuilder, ieee754, mtl, syb, text, utf8String }:
 
 cabal.mkDerivation (self: {
   pname = "hastache";
-  version = "0.2.4";
-  sha256 = "0881sh3vp5v8kk3rnz9dg2bnis6qy4gx5sr0sqj6xl162sbhf3yv";
-  buildDepends = [ blazeBuilder mtl syb text utf8String ];
+  version = "0.3.3";
+  sha256 = "18ayrfwi3jn3q650m5dm9wx9c7djwc2miz3mxlscd9gzlnrfi772";
+  buildDepends = [ blazeBuilder ieee754 mtl syb text utf8String ];
   meta = {
     homepage = "http://github.com/lymar/hastache";
     description = "Haskell implementation of Mustache templates";