diff --git a/plugins/auth-backend/api-report.md b/plugins/auth-backend/api-report.md
index a20538e223..0bdd73f3e8 100644
--- a/plugins/auth-backend/api-report.md
+++ b/plugins/auth-backend/api-report.md
@@ -501,7 +501,7 @@ export interface RouterOptions {
   // (undocumented)
   config: Config;
   // (undocumented)
-  database?: PluginDatabaseManager;
+  database: PluginDatabaseManager;
   // (undocumented)
   discovery: PluginEndpointDiscovery;
   // (undocumented)
diff --git a/plugins/auth-backend/src/service/router.ts b/plugins/auth-backend/src/service/router.ts
index 8cce643987..23311f5e56 100644
--- a/plugins/auth-backend/src/service/router.ts
+++ b/plugins/auth-backend/src/service/router.ts
@@ -38,7 +38,7 @@ type ProviderFactories = { [s: string]: AuthProviderFactory };
 
 export interface RouterOptions {
   logger: Logger;
-  database?: PluginDatabaseManager;
+  database: PluginDatabaseManager;
   config: Config;
   discovery: PluginEndpointDiscovery;
   providerFactories?: ProviderFactories;