diff --git a/plugins/api-docs/package.json b/plugins/api-docs/package.json
index 934fcab62f..d29a389911 100644
--- a/plugins/api-docs/package.json
+++ b/plugins/api-docs/package.json
@@ -48,8 +48,10 @@
   "dependencies": {
     "@asyncapi/react-component": "1.2.13",
     "@backstage/catalog-model": "workspace:^",
+    "@backstage/core-compat-api": "workspace:^",
     "@backstage/core-components": "workspace:^",
     "@backstage/core-plugin-api": "workspace:^",
+    "@backstage/frontend-plugin-api": "workspace:^",
     "@backstage/plugin-catalog": "workspace:^",
     "@backstage/plugin-catalog-common": "workspace:^",
     "@backstage/plugin-catalog-react": "workspace:^",
diff --git a/plugins/api-docs/src/alpha.tsx b/plugins/api-docs/src/alpha.tsx
index 94adcafa53..eddd29b65d 100644
--- a/plugins/api-docs/src/alpha.tsx
+++ b/plugins/api-docs/src/alpha.tsx
@@ -13,3 +13,18 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
+import { createPlugin } from '@backstage/frontend-plugin-api';
+import { convertLegacyRouteRef } from '@backstage/core-compat-api';
+import { rootRoute, registerComponentRouteRef } from './routes';
+
+export default createPlugin({
+  id: 'api-docs',
+  routes: {
+    root: convertLegacyRouteRef(rootRoute),
+  },
+  externalRoutes: {
+    registerApi: convertLegacyRouteRef(registerComponentRouteRef),
+  },
+  extensions: [],
+});
diff --git a/yarn.lock b/yarn.lock
index 93ebfa68aa..90529db61f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4556,9 +4556,11 @@ __metadata:
     "@backstage/catalog-model": "workspace:^"
     "@backstage/cli": "workspace:^"
     "@backstage/core-app-api": "workspace:^"
+    "@backstage/core-compat-api": "workspace:^"
     "@backstage/core-components": "workspace:^"
     "@backstage/core-plugin-api": "workspace:^"
     "@backstage/dev-utils": "workspace:^"
+    "@backstage/frontend-plugin-api": "workspace:^"
     "@backstage/plugin-catalog": "workspace:^"
     "@backstage/plugin-catalog-common": "workspace:^"
     "@backstage/plugin-catalog-react": "workspace:^"