diff --git a/app/__init__.py b/app/__init__.py
index 0f0d30efe..e0a0b23f4 100644
--- a/app/__init__.py
+++ b/app/__init__.py
@@ -65,6 +65,13 @@ def init_app(app, config_overrides):
             if error:
                 return error
 
+    @app.after_request
+    def after_request(response):
+        response.headers.add('Access-Control-Allow-Origin', '*')
+        response.headers.add('Access-Control-Allow-Headers', 'Content-Type,Authorization')
+        response.headers.add('Access-Control-Allow-Methods', 'GET,PUT,POST,DELETE')
+        return response
+
 
 def convert_to_boolean(value):
     """Turn strings to bools if they look like them