diff --git a/pkgs/development/tools/haskell/happy-meta/default.nix b/pkgs/development/tools/haskell/happy-meta/default.nix
index e490763ffe2..8241bf12103 100644
--- a/pkgs/development/tools/haskell/happy-meta/default.nix
+++ b/pkgs/development/tools/haskell/happy-meta/default.nix
@@ -1,12 +1,13 @@
 # This file was auto-generated by cabal2nix. Please do NOT edit manually!
 
-{ cabal, haskellSrcMeta, mtl }:
+{ cabal, happy, haskellSrcMeta, mtl }:
 
 cabal.mkDerivation (self: {
   pname = "happy-meta";
-  version = "0.2.0.6";
-  sha256 = "1q6sd5zaxzx85z3zcy99b6qrf8fj93ryy33y1g6rdzfw07dwf4lh";
+  version = "0.2.0.7";
+  sha256 = "12599233lh0ffmvlim0gs5jzg8lly1g11i1cg44lb37bz3l7psh9";
   buildDepends = [ haskellSrcMeta mtl ];
+  buildTools = [ happy ];
   meta = {
     description = "Quasi-quoter for Happy parsers";
     license = self.stdenv.lib.licenses.bsd3;