diff --git a/lib/config/options/index.ts b/lib/config/options/index.ts
index 76f5d4a9ce5f0d..5be48b0df122ec 100644
--- a/lib/config/options/index.ts
+++ b/lib/config/options/index.ts
@@ -371,7 +371,7 @@ const options: RenovateOptions[] = [
     description:
       'Change this value to override the default Renovate sidecar image.',
     type: 'string',
-    default: 'ghcr.io/containerbase/sidecar:9.20.7',
+    default: 'ghcr.io/containerbase/sidecar:9.20.8',
     globalOnly: true,
   },
   {