diff --git a/pkgs/development/libraries/haskell/yesod-core/default.nix b/pkgs/development/libraries/haskell/yesod-core/default.nix
index 6f17a9a51774..65b24a4534ca 100644
--- a/pkgs/development/libraries/haskell/yesod-core/default.nix
+++ b/pkgs/development/libraries/haskell/yesod-core/default.nix
@@ -9,8 +9,8 @@
 
 cabal.mkDerivation (self: {
   pname = "yesod-core";
-  version = "1.1.7";
-  sha256 = "1z47h7ghhi8mvmrc0rcwb3si1bq4623i5x127k8fahcy6qk4qls8";
+  version = "1.1.7.1";
+  sha256 = "07rh6yy8hz660hxz60gvminm166cb5was8qb1l24lrmzchigbf3r";
   buildDepends = [
     aeson blazeBuilder blazeHtml blazeMarkup caseInsensitive cereal
     clientsession conduit cookie failure fastLogger hamlet httpTypes