diff --git a/lib/config/options/index.ts b/lib/config/options/index.ts
index f088fb11af463c6d45e075941f276e58cae3cc2e..1ec3b48136ddb8b4f00a9ee65bb2024ea44c1139 100644
--- a/lib/config/options/index.ts
+++ b/lib/config/options/index.ts
@@ -400,7 +400,7 @@ const options: RenovateOptions[] = [
     description:
       'Change this value to override the default Renovate sidecar image.',
     type: 'string',
-    default: 'ghcr.io/containerbase/sidecar:9.31.3',
+    default: 'ghcr.io/containerbase/sidecar:9.31.4',
     globalOnly: true,
   },
   {