diff --git a/tests/keycloak.nix b/tests/keycloak.nix
index 3313584..9dc1c08 100644
--- a/tests/keycloak.nix
+++ b/tests/keycloak.nix
@@ -39,6 +39,7 @@ in {
         self.nixosModules.nginx
         self.nixosModules.keycloak
         self.nixosModules.postgresql
+        { virtualisation.memorySize = 4096; services.keycloak.database.createLocally = true; }
         ./support/global.nix
       ];