diff --git a/home/franz.nix b/home/franz.nix
index f0767bb..fd19761 100644
--- a/home/franz.nix
+++ b/home/franz.nix
@@ -16,4 +16,11 @@ in {
     source = ../rsc/docker/franz;
     recursive = true;
   };
+  nixpkgs = {
+    config = {
+      permittedInsecurePackages = [
+        "nix-2.15.3"
+      ];
+    };
+  };
 }