diff --git a/pkgs/development/libraries/haskell/yesod-test/default.nix b/pkgs/development/libraries/haskell/yesod-test/default.nix
index 38a319a87456..9a9cdc4e295c 100644
--- a/pkgs/development/libraries/haskell/yesod-test/default.nix
+++ b/pkgs/development/libraries/haskell/yesod-test/default.nix
@@ -6,8 +6,8 @@
 
 cabal.mkDerivation (self: {
   pname = "yesod-test";
-  version = "1.2.1.1";
-  sha256 = "0rbavw67cfqyav6xakacag0sd0gixbz3sls06px6q6pnpzk9q9d4";
+  version = "1.2.1.2";
+  sha256 = "12b747sd5rrypv1i2b5rpa3qgpnzibwjw7rlv02hyz8g7kf6wvbm";
   buildDepends = [
     attoparsec blazeBuilder blazeHtml blazeMarkup caseInsensitive
     cookie hspec htmlConduit httpTypes HUnit monadControl network