diff --git a/plugins/sonarqube-backend/config.d.ts b/plugins/sonarqube-backend/config.d.ts
index ce5bc641b6..7e93f61eb4 100644
--- a/plugins/sonarqube-backend/config.d.ts
+++ b/plugins/sonarqube-backend/config.d.ts
@@ -21,13 +21,13 @@ export interface Config {
      * The base url of the sonarqube installation. Defaults to https://sonarcloud.io.
      * @visibility frontend
      */
-    baseUrl: string;
+    baseUrl?: string;
 
     /**
      * The api key to access the sonarqube instance under baseUrl.
      * @visibility secret
      */
-    apiKey: string;
+    apiKey?: string;
 
     /**
      * The optional sonarqube instances.
diff --git a/plugins/sonarqube/config.d.ts b/plugins/sonarqube/config.d.ts
index 5759e63f98..8ba989b02c 100644
--- a/plugins/sonarqube/config.d.ts
+++ b/plugins/sonarqube/config.d.ts
@@ -21,6 +21,6 @@ export interface Config {
      * The base url of the sonarqube installation. Defaults to https://sonarcloud.io.
      * @visibility frontend
      */
-    baseUrl: string;
+    baseUrl?: string;
   };
 }