diff --git a/configuration.nix b/configuration.nix
index 364eb1e..23c4c58 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -32,7 +32,10 @@
   services.openssh.enable = true;
   networking.firewall.enable = true;
 
-  nixpkgs.config.permittedInsecurePackages = [ "openssl-1.0.2u" ];
+  nixpkgs.config.permittedInsecurePackages = [
+    "openssl-1.0.2u"
+    "python3.10-kerberos-1.3.1"
+  ];
 
   # removed for mobile working
   # system.autoUpgrade.enable = true;