diff --git a/pkgs/development/libraries/haskell/pure-cdb/default.nix b/pkgs/development/libraries/haskell/pure-cdb/default.nix
index 89e2f56c10c..871825db121 100644
--- a/pkgs/development/libraries/haskell/pure-cdb/default.nix
+++ b/pkgs/development/libraries/haskell/pure-cdb/default.nix
@@ -1,10 +1,13 @@
-{ cabal, binary, mtl, vector }:
+# This file was auto-generated by cabal2nix. Please do NOT edit manually!
+
+{ cabal, binary, mtl, testSimple, Unixutils, vector }:
 
 cabal.mkDerivation (self: {
   pname = "pure-cdb";
   version = "0.1";
   sha256 = "0fxfhd73h5frnjpk617lspwf17wldsrd5a5cxar5y3a8wi0i4b8c";
   buildDepends = [ binary mtl vector ];
+  testDepends = [ mtl testSimple Unixutils vector ];
   doCheck = false;
   meta = {
     homepage = "https://github.com/bosu/pure-cdb";