diff --git a/pkgs/development/libraries/haskell/extensible-effects/default.nix b/pkgs/development/libraries/haskell/extensible-effects/default.nix
index 310e0f37dd00..e7f1f16059d4 100644
--- a/pkgs/development/libraries/haskell/extensible-effects/default.nix
+++ b/pkgs/development/libraries/haskell/extensible-effects/default.nix
@@ -1,20 +1,18 @@
 # This file was auto-generated by cabal2nix. Please do NOT edit manually!
 
-{ cabal, free, HUnit, kanExtensions, QuickCheck, testFramework
-, testFrameworkHunit, testFrameworkQuickcheck2, transformers
-, transformersBase
+{ cabal, HUnit, QuickCheck, testFramework, testFrameworkHunit
+, testFrameworkQuickcheck2, transformers, transformersBase
+, typeAligned, void
 }:
 
 cabal.mkDerivation (self: {
   pname = "extensible-effects";
-  version = "1.8.1.0";
-  sha256 = "0ssnb1c63lnal6k8f1v36scwqr8m430gq0ssss7r8ndqcbpnlc64";
-  buildDepends = [
-    free kanExtensions transformers transformersBase
-  ];
+  version = "1.9.0.1";
+  sha256 = "17hl4x4052jfn7xs6xhnc6d3x75a8haw2zsbnjd6rr5gsd1hq5kx";
+  buildDepends = [ transformers transformersBase typeAligned void ];
   testDepends = [
     HUnit QuickCheck testFramework testFrameworkHunit
-    testFrameworkQuickcheck2
+    testFrameworkQuickcheck2 void
   ];
   jailbreak = true;
   meta = {