diff --git a/lib/config/options/index.ts b/lib/config/options/index.ts
index 235897632603b84ab160b72f0bc49d7fa0edb100..90a527bf1e33b02d255e6bc7a06895d666774e07 100644
--- a/lib/config/options/index.ts
+++ b/lib/config/options/index.ts
@@ -418,7 +418,7 @@ const options: RenovateOptions[] = [
     description:
       'Change this value to override the default Renovate sidecar image.',
     type: 'string',
-    default: 'ghcr.io/containerbase/sidecar:9.33.3',
+    default: 'ghcr.io/containerbase/sidecar:9.33.4',
     globalOnly: true,
   },
   {