diff --git a/pkgs/development/libraries/haskell/yesod-form/default.nix b/pkgs/development/libraries/haskell/yesod-form/default.nix
index 2d0a099002c..ae36c5180c3 100644
--- a/pkgs/development/libraries/haskell/yesod-form/default.nix
+++ b/pkgs/development/libraries/haskell/yesod-form/default.nix
@@ -6,8 +6,8 @@
 
 cabal.mkDerivation (self: {
   pname = "yesod-form";
-  version = "1.2.0.2";
-  sha256 = "0a3172rgvma420l98hkgvl17ks2a2jkys3rh4qd2bbm9p7qknv3y";
+  version = "1.2.1";
+  sha256 = "10xjpky7dglqbhc6i49q9ckkhq23wyyqd7karlp0byhprmspnifq";
   buildDepends = [
     aeson attoparsec blazeBuilder blazeHtml blazeMarkup cryptoApi
     dataDefault emailValidate hamlet network persistent shakespeareCss