diff --git a/config/common/users.nix b/config/common/users.nix
index ab29904..59682c4 100644
--- a/config/common/users.nix
+++ b/config/common/users.nix
@@ -9,10 +9,10 @@
 { config, pkgs, lib, ... }:
 
 let
-  authorizedKeysRepo = builtins.fetchGit {
-    url = "forgejo@git.hamburg.ccc.de:CCCHH/infrastructure-authorized-keys.git";
-    ref = "trunk";
-    rev = "da9d3ead9d97ce0fef7538638326264957e2f1b4";
+  authorizedKeysRepo = pkgs.fetchgit {
+    url = "https://git.hamburg.ccc.de/CCCHH/infrastructure-authorized-keys";
+    rev = "b6a29dc7af0a45a8c0b4904290c7cb0c5bc51413";
+    hash = "sha256-c0aH0wQeJtfXJG5wAbS6aO8yILLI1NNkFAHAeOm8RXA=";
   };
   authorizedKeys = builtins.filter (item: item != "") (lib.strings.splitString "\n" (builtins.readFile "${authorizedKeysRepo}/authorized_keys"));
 in