diff --git a/applications/dns.nix b/applications/dns.nix
index 2a6ba7d..0816434 100644
--- a/applications/dns.nix
+++ b/applications/dns.nix
@@ -134,7 +134,7 @@ let
       group = "named";
 
       # The UNIX file mode bits
-      mode = "0644";
+      mode = "0664";
 
       text = text;
     };