diff --git a/lib/config/options/index.ts b/lib/config/options/index.ts
index 9a0307571abe94..b74c49d23e9c87 100644
--- a/lib/config/options/index.ts
+++ b/lib/config/options/index.ts
@@ -515,7 +515,7 @@ const options: RenovateOptions[] = [
     description:
       'Change this value to override the default Renovate sidecar image.',
     type: 'string',
-    default: 'ghcr.io/containerbase/sidecar:13.3.0',
+    default: 'ghcr.io/containerbase/sidecar:13.4.0',
     globalOnly: true,
   },
   {