diff --git a/pkgs/development/libraries/haskell/wai/default.nix b/pkgs/development/libraries/haskell/wai/default.nix
index f1d4210b667..4fb6227d2e8 100644
--- a/pkgs/development/libraries/haskell/wai/default.nix
+++ b/pkgs/development/libraries/haskell/wai/default.nix
@@ -4,8 +4,8 @@
 
 cabal.mkDerivation (self: {
   pname = "wai";
-  version = "1.1.0";
-  sha256 = "1kmmivcak9v13rgivs2vhr543dfdx19wncwlpda453570ywam7vh";
+  version = "1.1.0.1";
+  sha256 = "0klyi3d4rivgvbasamxccvkz1w44ak0rcbx840ypdcjq8mbcb85f";
   buildDepends = [
     blazeBuilder conduit httpTypes network text transformers vault
   ];