diff --git a/pkgs/top-level/perl-packages.nix b/pkgs/top-level/perl-packages.nix
index f68bc98eda0..cf2b85c3aa7 100644
--- a/pkgs/top-level/perl-packages.nix
+++ b/pkgs/top-level/perl-packages.nix
@@ -15376,6 +15376,7 @@ let self = _self // overrides; _self = with self; {
       description = "Word wrap text by breaking long lines";
       license = with stdenv.lib.licenses; [ artistic1 gpl1Plus ];
     };
+    buildInputs = [ TestDifferences ];
   };
 
   threads = buildPerlPackage rec {