diff --git a/config/qutebrowser/qutebrowser.conf b/config/qutebrowser/qutebrowser.conf
index 5133704..e2ef899 100644
--- a/config/qutebrowser/qutebrowser.conf
+++ b/config/qutebrowser/qutebrowser.conf
@@ -318,7 +318,7 @@ modal-js-dialog = false
 #     Default: true
 do-not-track = true
 accept-language = en-US,en
-user-agent = Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:35.0) Gecko/20100101 Firefox/35.0
+user-agent = Mozilla/5.0 (X11; Linux x86_64; rv:39.0) Gecko/20100101 Firefox/39.0
 proxy = system
 proxy-dns-requests = true
 ssl-strict = true