diff --git a/default.nix b/default.nix
index f544d1d..93c449d 100644
--- a/default.nix
+++ b/default.nix
@@ -13,6 +13,7 @@ let
       allowUnsupportedSystem = true; # mipsel
       permittedInsecurePackages = [
         "python-2.7.18.6"       # kernel backports needs python <3
+        "python-2.7.18.7"
       ];
     };
   });