diff --git a/lib/config/options/index.ts b/lib/config/options/index.ts
index f1e8879e8ce7e17a42b38d133668bbf9623c8bc0..6531151a934f8810b210c65d4ac2dd5232e0c0fb 100644
--- a/lib/config/options/index.ts
+++ b/lib/config/options/index.ts
@@ -417,7 +417,7 @@ const options: RenovateOptions[] = [
     description:
       'Change this value to override the default Renovate sidecar image.',
     type: 'string',
-    default: 'ghcr.io/containerbase/sidecar:9.31.4',
+    default: 'ghcr.io/containerbase/sidecar:9.31.5',
     globalOnly: true,
   },
   {