diff --git a/pkgs/development/libraries/haskell/wai/default.nix b/pkgs/development/libraries/haskell/wai/default.nix
index e7d7d48d738a..d85d3629caed 100644
--- a/pkgs/development/libraries/haskell/wai/default.nix
+++ b/pkgs/development/libraries/haskell/wai/default.nix
@@ -4,13 +4,13 @@
 
 cabal.mkDerivation (self: {
   pname = "wai";
-  version = "0.4.1";
-  sha256 = "089i9qj7vban1qdrdpx836c31yakg3l3lx7y36h56livy6n37k72";
+  version = "0.4.2";
+  sha256 = "18w4wzryyqcqqihwckbz92smkqhhxh3lmi0kgxkcgivyzvhd2jqy";
   buildDepends = [
     blazeBuilder enumerator httpTypes network text transformers
   ];
   meta = {
-    homepage = "http://github.com/snoyberg/wai";
+    homepage = "https://github.com/yesodweb/wai";
     description = "Web Application Interface";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;