diff --git a/api/app.py b/api/app.py
index bec0a5e..104c312 100644
--- a/api/app.py
+++ b/api/app.py
@@ -278,7 +278,7 @@ def substrait_fiddle_openapi():
 app.openapi = substrait_fiddle_openapi
 app.add_middleware(
     TrustedHostMiddleware,
-    allowed_hosts=["substrait-fiddle.com", "*.substrait-fiddle.com", "127.0.0.1"],
+    allowed_hosts=["*"],
 )
 
 @app.get("/")