diff --git a/pkgs/top-level/variants.nix b/pkgs/top-level/variants.nix
index 28b7ae323956..dd817788b5a9 100644
--- a/pkgs/top-level/variants.nix
+++ b/pkgs/top-level/variants.nix
@@ -173,4 +173,10 @@ self: super: {
     ]
     ++ overlays;
   };
+
+  pkgsStrict = nixpkgsFun {
+    config = super.config // {
+      strictDepsByDefault = true;
+    };
+  };
 }