diff --git a/lib/config/options/index.ts b/lib/config/options/index.ts
index 2445717902609a00ca497839c1b23cdc2ed84289..c09a691badaefc2af766719664f3786cd9b794bd 100644
--- a/lib/config/options/index.ts
+++ b/lib/config/options/index.ts
@@ -492,7 +492,7 @@ const options: RenovateOptions[] = [
     description:
       'Change this value to override the default Renovate sidecar image.',
     type: 'string',
-    default: 'ghcr.io/containerbase/sidecar:10.6.5',
+    default: 'ghcr.io/containerbase/sidecar:10.6.6',
     globalOnly: true,
   },
   {