diff --git a/lib/config/options/index.ts b/lib/config/options/index.ts
index 4df2e82e1d061148e7eb9146ac32c38b6088b597..10d90f27b2aca678e8da77af49fb2f22d63ff0c4 100644
--- a/lib/config/options/index.ts
+++ b/lib/config/options/index.ts
@@ -370,7 +370,7 @@ const options: RenovateOptions[] = [
     description:
       'Change this value to override the default Renovate sidecar image.',
     type: 'string',
-    default: 'ghcr.io/containerbase/sidecar:9.8.5',
+    default: 'ghcr.io/containerbase/sidecar:9.8.6',
     globalOnly: true,
   },
   {