diff --git a/lib/config/options/index.ts b/lib/config/options/index.ts
index af3688da7dd107..949db96e066042 100644
--- a/lib/config/options/index.ts
+++ b/lib/config/options/index.ts
@@ -472,7 +472,7 @@ const options: RenovateOptions[] = [
     description:
       'Change this value to override the default Renovate sidecar image.',
     type: 'string',
-    default: 'ghcr.io/containerbase/sidecar:10.6.3',
+    default: 'ghcr.io/containerbase/sidecar:10.6.4',
     globalOnly: true,
   },
   {