diff --git a/pkgs/by-name/cu/cups/package.nix b/pkgs/by-name/cu/cups/package.nix
index 73330325f966..e57e7f5329f6 100644
--- a/pkgs/by-name/cu/cups/package.nix
+++ b/pkgs/by-name/cu/cups/package.nix
@@ -33,6 +33,7 @@ stdenv.mkDerivation (finalAttrs: {
   };
 
   __structuredAttrs = true;
+  strictDeps = true;
 
   outputs = [
     "out"