diff --git a/lib/config/options/index.ts b/lib/config/options/index.ts
index 9601bca00b0502eeedd16349c5f7dfc13c86c392..8f1151fc6a6eba871125a86567d37bcae8a389a6 100644
--- a/lib/config/options/index.ts
+++ b/lib/config/options/index.ts
@@ -455,7 +455,7 @@ const options: RenovateOptions[] = [
     description:
       'Change this value to override the default Renovate sidecar image.',
     type: 'string',
-    default: 'ghcr.io/containerbase/sidecar:10.3.15',
+    default: 'ghcr.io/containerbase/sidecar:10.3.16',
     globalOnly: true,
   },
   {