diff --git a/hosts/shared.nix b/hosts/shared.nix
index a5cd38c..50ad7ab 100644
--- a/hosts/shared.nix
+++ b/hosts/shared.nix
@@ -34,6 +34,7 @@
           "@wheel"
         ];
         commit-lock-file-summary = "flake.lock: Update";
+        allow-import-from-derivation = false;
       };
     };