diff --git a/pkgs/development/libraries/haskell/twitter-types/default.nix b/pkgs/development/libraries/haskell/twitter-types/default.nix
index 05c37c02f41..0d40217c3d5 100644
--- a/pkgs/development/libraries/haskell/twitter-types/default.nix
+++ b/pkgs/development/libraries/haskell/twitter-types/default.nix
@@ -5,8 +5,8 @@
 
 cabal.mkDerivation (self: {
   pname = "twitter-types";
-  version = "0.2.20140407";
-  sha256 = "171m7fqq82g630r1x5advq04qfkdljvc8d8ygyafr2x44ss2a996";
+  version = "0.2.20140424";
+  sha256 = "0ap2l3mclcilm58awz0fdayzcs7fckv69l6xdklp1yqyj6i7zk9a";
   buildDepends = [ aeson httpTypes text unorderedContainers ];
   testDepends = [
     aeson attoparsec httpTypes HUnit shakespeare testFramework