diff --git a/lib/config/options/index.ts b/lib/config/options/index.ts
index af3688da7dd1074ebf2493ded4fedb0ced068508..949db96e06604224af9a313a16ab2124c29b0f6a 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,
   },
   {