diff --git a/pkgs/development/libraries/haskell/yesod/default.nix b/pkgs/development/libraries/haskell/yesod/default.nix
index f925befa80b..b390edc02c6 100644
--- a/pkgs/development/libraries/haskell/yesod/default.nix
+++ b/pkgs/development/libraries/haskell/yesod/default.nix
@@ -12,8 +12,8 @@
 
 cabal.mkDerivation (self: {
   pname = "yesod";
-  version = "1.1.3";
-  sha256 = "18yc8ri3kjim9kr41i286if9ahq8avk90zigvbmnb82rnz4nn9ls";
+  version = "1.1.3.1";
+  sha256 = "08i159w14d2i964q7ji705glg0p0zrak0pqxqi3hxyhqzp27797m";
   isLibrary = true;
   isExecutable = true;
   buildDepends = [