diff --git a/lib/config/options/index.ts b/lib/config/options/index.ts
index 21e855259cb1e4604a0bdba8dbca2c45d530a11d..e5aa75581b2d136b4d059459daacae97da8fa29f 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:9.9.0',
+    default: 'ghcr.io/containerbase/sidecar:9.9.1',
     globalOnly: true,
   },
   {