diff --git a/lib/config/options/index.ts b/lib/config/options/index.ts
index ff05fea97d616995a708dc6a63236475001531ff..4b8a4e5145acd33ba539596ef2a025eb3b6f81eb 100644
--- a/lib/config/options/index.ts
+++ b/lib/config/options/index.ts
@@ -371,7 +371,7 @@ const options: RenovateOptions[] = [
     description:
       'Change this value to override the default Renovate sidecar image.',
     type: 'string',
-    default: 'ghcr.io/containerbase/sidecar:9.21.0',
+    default: 'ghcr.io/containerbase/sidecar:9.23.0',
     globalOnly: true,
   },
   {