diff --git a/.changeset/orange-geckos-notice.md b/.changeset/orange-geckos-notice.md
new file mode 100644
index 0000000000..0fc7698b79
--- /dev/null
+++ b/.changeset/orange-geckos-notice.md
@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-jenkins-backend': patch
+---
+
+Fixed an issue where the `httpAuth` service turned out to be undefined
diff --git a/plugins/jenkins-backend/api-report.md b/plugins/jenkins-backend/api-report.md
index e1cd04d8ec..2024c5206d 100644
--- a/plugins/jenkins-backend/api-report.md
+++ b/plugins/jenkins-backend/api-report.md
@@ -27,6 +27,7 @@ export class DefaultJenkinsInfoProvider implements JenkinsInfoProvider {
     catalog: CatalogApi;
     discovery: DiscoveryService;
     auth?: AuthService;
+    httpAuth?: HttpAuthService;
   }): DefaultJenkinsInfoProvider;
   // (undocumented)
   getInstance(opt: {
diff --git a/plugins/jenkins-backend/src/plugin.ts b/plugins/jenkins-backend/src/plugin.ts
index c02fc3e189..aa0622ab5f 100644
--- a/plugins/jenkins-backend/src/plugin.ts
+++ b/plugins/jenkins-backend/src/plugin.ts
@@ -40,6 +40,7 @@ export const jenkinsPlugin = createBackendPlugin({
         catalogClient: catalogServiceRef,
         discovery: coreServices.discovery,
         auth: coreServices.auth,
+        httpAuth: coreServices.httpAuth,
       },
       async init({
         logger,
@@ -49,10 +50,12 @@ export const jenkinsPlugin = createBackendPlugin({
         catalogClient,
         discovery,
         auth,
+        httpAuth,
       }) {
         const winstonLogger = loggerToWinstonLogger(logger);
         const jenkinsInfoProvider = DefaultJenkinsInfoProvider.fromConfig({
           auth,
+          httpAuth,
           config,
           catalog: catalogClient,
           discovery,
@@ -70,6 +73,7 @@ export const jenkinsPlugin = createBackendPlugin({
             jenkinsInfoProvider,
             discovery,
             auth,
+            httpAuth,
           }),
         );
       },
diff --git a/plugins/jenkins-backend/src/service/jenkinsInfoProvider.ts b/plugins/jenkins-backend/src/service/jenkinsInfoProvider.ts
index 0feb91d68e..745330b823 100644
--- a/plugins/jenkins-backend/src/service/jenkinsInfoProvider.ts
+++ b/plugins/jenkins-backend/src/service/jenkinsInfoProvider.ts
@@ -19,6 +19,7 @@ import {
   AuthService,
   BackstageCredentials,
   DiscoveryService,
+  HttpAuthService,
 } from '@backstage/backend-plugin-api';
 import { CatalogApi } from '@backstage/catalog-client';
 import {
@@ -197,6 +198,7 @@ export class DefaultJenkinsInfoProvider implements JenkinsInfoProvider {
     catalog: CatalogApi;
     discovery: DiscoveryService;
     auth?: AuthService;
+    httpAuth?: HttpAuthService;
   }): DefaultJenkinsInfoProvider {
     const { auth } = createLegacyAuthAdapters(options);
     return new DefaultJenkinsInfoProvider(