diff --git a/lib/config/options/index.ts b/lib/config/options/index.ts
index c26a8171a6b735ba40101039212a8418d37d93d5..34c8948abcf7fbd86574c42c7747efd12843d5e6 100644
--- a/lib/config/options/index.ts
+++ b/lib/config/options/index.ts
@@ -354,7 +354,7 @@ const options: RenovateOptions[] = [
     description:
       'Change this value to override the default Renovate sidecar image.',
     type: 'string',
-    default: 'ghcr.io/containerbase/sidecar:8.0.2',
+    default: 'ghcr.io/containerbase/sidecar:9.0.8',
     globalOnly: true,
   },
   {