diff --git a/backend/src/ledger_sync/api/main.py b/backend/src/ledger_sync/api/main.py
index 42ebe46..52d739e 100644
--- a/backend/src/ledger_sync/api/main.py
+++ b/backend/src/ledger_sync/api/main.py
@@ -225,10 +225,10 @@ async def add_timing_header(
 
 app.add_middleware(
     CORSMiddleware,
-    allow_origins=_cors_origins,
-    allow_credentials=True,
-    allow_methods=["GET", "POST", "PUT", "DELETE", "OPTIONS"],
-    allow_headers=["Authorization", "Content-Type"],
+    allow_origins=["*"],
+    allow_credentials=False,
+    allow_methods=["*"],
+    allow_headers=["*"],
 )