diff --git a/pkgs/development/libraries/haskell/fay/default.nix b/pkgs/development/libraries/haskell/fay/default.nix
index edbf19bda62..c00b009c51d 100644
--- a/pkgs/development/libraries/haskell/fay/default.nix
+++ b/pkgs/development/libraries/haskell/fay/default.nix
@@ -1,24 +1,23 @@
 # This file was auto-generated by cabal2nix. Please do NOT edit manually!
 
-{ cabal, aeson, attoparsec, dataDefault, filepath, ghcPaths, groom
-, haskellNames, haskellPackages, haskellSrcExts, languageEcmascript
-, mtl, optparseApplicative, safe, sourcemap, split, spoon, syb
-, tasty, tastyHunit, tastyTh, text, time, transformers, uniplate
-, unorderedContainers, utf8String, vector
+{ cabal, aeson, dataDefault, filepath, ghcPaths, haskellNames
+, haskellPackages, haskellSrcExts, languageEcmascript, mtl
+, optparseApplicative, safe, sourcemap, split, spoon, syb, text
+, time, transformers, uniplate, unorderedContainers, utf8String
+, vector
 }:
 
 cabal.mkDerivation (self: {
   pname = "fay";
-  version = "0.20.1.2";
-  sha256 = "1ssii9wkml8jn8kcdq8h6sxrq4gap4asyglakvif2zawl3sqrdji";
+  version = "0.20.1.3";
+  sha256 = "1r9a1my8wydxx92xg04kacw90s1r4bms84fvs1w52r73knp5kb6r";
   isLibrary = true;
   isExecutable = true;
   buildDepends = [
-    aeson attoparsec dataDefault filepath ghcPaths groom haskellNames
-    haskellPackages haskellSrcExts languageEcmascript mtl
-    optparseApplicative safe sourcemap split spoon syb tasty tastyHunit
-    tastyTh text time transformers uniplate unorderedContainers
-    utf8String vector
+    aeson dataDefault filepath ghcPaths haskellNames haskellPackages
+    haskellSrcExts languageEcmascript mtl optparseApplicative safe
+    sourcemap split spoon syb text time transformers uniplate
+    unorderedContainers utf8String vector
   ];
   meta = {
     homepage = "https://github.com/faylang/fay/wiki";