diff --git a/pkgs/top-level/perl-packages.nix b/pkgs/top-level/perl-packages.nix
index 03c2b60581b..ab3c3877ca9 100644
--- a/pkgs/top-level/perl-packages.nix
+++ b/pkgs/top-level/perl-packages.nix
@@ -11867,6 +11867,7 @@ let
       license = with stdenv.lib.licenses; [ artistic1 gpl1Plus ];
       maintainers = [ maintainers.sgo ];
     };
+    buildInputs = [ TestWarn ];
   };
 
   MathPrimeUtilGMP = buildPerlPackage {