diff --git a/machines/thinkcentre/configuration.nix b/machines/thinkcentre/configuration.nix
index ff59423..78ad4be 100644
--- a/machines/thinkcentre/configuration.nix
+++ b/machines/thinkcentre/configuration.nix
@@ -77,6 +77,7 @@
   age.secrets.keycloakDb.file = ../../secrets/keycloak-db.age;
   services.keycloak = {
     enable = true;
+    package = pkgs.unstable.keycloak;
     settings = {
       hostname-url = "https://auth.s.michaelt.xyz";
       hostname-admin-url = "https://auth.s.michaelt.xyz";