diff --git a/pkgs/development/libraries/haskell/yesod-core/default.nix b/pkgs/development/libraries/haskell/yesod-core/default.nix
index 813c524ca35..8f9a9ed1a71 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 = "1.1.8.2";
-  sha256 = "0brrvij1vldb5zr3vnynikaf1x479qrgf7k3162nhrmwl57lm9sz";
+  version = "1.1.8.3";
+  sha256 = "116vglpqh2561g0gzhm4ijwx829c50ai1hh715vwi5j5i01y2rkr";
   buildDepends = [
     aeson blazeBuilder blazeHtml blazeMarkup caseInsensitive cereal
     clientsession conduit cookie failure fastLogger hamlet httpTypes