diff --git a/lib/config/options/index.ts b/lib/config/options/index.ts
index b5c46375ba08abf..8fce4a5bae660a1 100644
--- a/lib/config/options/index.ts
+++ b/lib/config/options/index.ts
@@ -372,7 +372,7 @@ const options: RenovateOptions[] = [
     description:
       'Change this value to override the default Renovate sidecar image.',
     type: 'string',
-    default: 'ghcr.io/containerbase/sidecar:9.23.8',
+    default: 'ghcr.io/containerbase/sidecar:9.23.9',
     globalOnly: true,
   },
   {