diff --git a/pkgs/development/tools/haskell/hscope/default.nix b/pkgs/development/tools/haskell/hscope/default.nix
index 57ae3d128f0..981e6120444 100644
--- a/pkgs/development/tools/haskell/hscope/default.nix
+++ b/pkgs/development/tools/haskell/hscope/default.nix
@@ -1,5 +1,7 @@
+# This file was auto-generated by cabal2nix. Please do NOT edit manually!
+
 { cabal, cereal, cpphs, deepseq, haskellSrcExts, mtl, pureCdb
-, uniplate, vector
+, testSimple, uniplate, Unixutils, vector
 }:
 
 cabal.mkDerivation (self: {
@@ -11,6 +13,7 @@ cabal.mkDerivation (self: {
   buildDepends = [
     cereal cpphs deepseq haskellSrcExts mtl pureCdb uniplate vector
   ];
+  testDepends = [ mtl testSimple Unixutils ];
   doCheck = false;
   meta = {
     homepage = "https://github.com/bosu/hscope";