diff --git a/examples/codex_runtime_on_agentkit/app.py b/examples/codex_runtime_on_agentkit/app.py
index 3bdfaa8f..4aa23c25 100644
--- a/examples/codex_runtime_on_agentkit/app.py
+++ b/examples/codex_runtime_on_agentkit/app.py
@@ -34,7 +34,7 @@
 
 
 def build_app():
-    app = get_fast_api_app(agents_dir=AGENTS_DIR, web=False)
+    app = get_fast_api_app(agents_dir=AGENTS_DIR, allow_origins=["*"], web=False)
 
     # A simple health endpoint for the runtime's liveness checks.
     @app.get("/ping")