diff --git a/frontend/src/components/Toolbar.tsx b/frontend/src/components/Toolbar.tsx
index 913594c..943d30f 100644
--- a/frontend/src/components/Toolbar.tsx
+++ b/frontend/src/components/Toolbar.tsx
@@ -49,6 +49,8 @@ export const Toolbar: React.FC<ToolbarProps> = ({
     if (file && onUploadStart) {
       onUploadStart(file);
     }
+    // Reset the input so the same file can be selected again
+    e.target.value = '';
   };
 
   return (
diff --git a/gateway/app/main.py b/gateway/app/main.py
index e47d5e2..fad421f 100644
--- a/gateway/app/main.py
+++ b/gateway/app/main.py
@@ -1,6 +1,7 @@
 """FastAPI app factory."""
 
 from fastapi import FastAPI
+from fastapi.middleware.cors import CORSMiddleware
 
 from app import __version__
 from app.routers import documents, edits, health, render
@@ -13,6 +14,14 @@ def create_app() -> FastAPI:
         description="Auth, metadata, storage, and job-queue gateway over the C++ PDF engine.",
     )
 
+    app.add_middleware(
+        CORSMiddleware,
+        allow_origins=["*"],
+        allow_credentials=True,
+        allow_methods=["*"],
+        allow_headers=["*"],
+    )
+
     app.include_router(health.router)
     app.include_router(documents.router)
     app.include_router(render.router)