diff --git a/qo_utils/qopy.py b/qo_utils/qopy.py
index 8e8c0ef..4ad746f 100644
--- a/qo_utils/qopy.py
+++ b/qo_utils/qopy.py
@@ -24,7 +24,7 @@ class Client:
         self.session = requests.Session()
         self.session.headers.update(
             {
-                "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:67.0) Gecko/20100101 Firefox/67.0",
+                "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:83.0) Gecko/20100101 Firefox/83.0",
                 "X-App-Id": self.id,
             }
         )