diff --git a/.changeset/clean-meals-pay.md b/.changeset/clean-meals-pay.md
new file mode 100644
index 0000000000..629549112c
--- /dev/null
+++ b/.changeset/clean-meals-pay.md
@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-jenkins-backend': patch
+---
+
+Don't expose username and authentication header if configured.
diff --git a/plugins/jenkins-backend/config.d.ts b/plugins/jenkins-backend/config.d.ts
index 3dda0a73c5..5b725dd801 100644
--- a/plugins/jenkins-backend/config.d.ts
+++ b/plugins/jenkins-backend/config.d.ts
@@ -38,11 +38,17 @@ export interface Config {
        * instance.
        */
       name: string;
-
       baseUrl: string;
       username: string;
       /** @visibility secret */
       apiKey: string;
+      extraRequestHeaders?: Partial<{
+        /** @visibility secret */
+        Authorization: string;
+        /** @visibility secret */
+        authorization: string;
+        [key: string]: string;
+      }>;
     }[];
   };
 }