diff --git a/lib/config/options/index.ts b/lib/config/options/index.ts
index 3942a912f15fbc22a30cfeab20b04b53834c1cd5..67fbcd41ef14d41655c7ced868709e65c5567c8a 100644
--- a/lib/config/options/index.ts
+++ b/lib/config/options/index.ts
@@ -516,7 +516,7 @@ const options: RenovateOptions[] = [
     description:
       'Change this value to override the default Renovate sidecar image.',
     type: 'string',
-    default: 'ghcr.io/containerbase/sidecar:13.8.2',
+    default: 'ghcr.io/containerbase/sidecar:13.8.3',
     globalOnly: true,
   },
   {