diff --git a/README.md b/README.md
index 9efac94..82923bb 100644
--- a/README.md
+++ b/README.md
@@ -16,7 +16,7 @@ Masking as Tor Browser by using its default headers:
     "Accept-Encoding": "gzip, deflate, br",
     "Accept-Language": "en-US,en;q=0.5",
     "Upgrade-Insecure-Requests": "1",
-    "User-Agent": "Mozilla/5.0 (Windows NT 10.0; rv:78.0) Gecko/20100101 Firefox/78.0"
+    "User-Agent": "Mozilla/5.0 (Windows NT 10.0; rv:91.0) Gecko/20100101 Firefox/91.0"
 ```
 
 ### Install