diff --git a/floorp/browser/base/content/ua_data.js b/floorp/browser/base/content/ua_data.js
index bb85204b12..4d2136f902 100644
--- a/floorp/browser/base/content/ua_data.js
+++ b/floorp/browser/base/content/ua_data.js
@@ -1,7 +1,7 @@
 const FIREFOX_STABLE_UA = {
-"win": "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:133.0) Gecko/20100101 Firefox/133.0",
-"linux": "Mozilla/5.0 (X11; Linux x86_64; rv:133.0) Gecko/20100101 Firefox/133.0",
-"mac": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:133.0) Gecko/20100101 Firefox/133.0",
+"win": "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:134.0) Gecko/20100101 Firefox/134.0",
+"linux": "Mozilla/5.0 (X11; Linux x86_64; rv:134.0) Gecko/20100101 Firefox/134.0",
+"mac": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:134.0) Gecko/20100101 Firefox/134.0",
 };
 const CHROME_STABLE_UA = {
 "win": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36",
diff --git a/floorp/browser/extensions/webextensions/floorp-system/shared/ua_data.js b/floorp/browser/extensions/webextensions/floorp-system/shared/ua_data.js
index bb85204b12..4d2136f902 100644
--- a/floorp/browser/extensions/webextensions/floorp-system/shared/ua_data.js
+++ b/floorp/browser/extensions/webextensions/floorp-system/shared/ua_data.js
@@ -1,7 +1,7 @@
 const FIREFOX_STABLE_UA = {
-"win": "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:133.0) Gecko/20100101 Firefox/133.0",
-"linux": "Mozilla/5.0 (X11; Linux x86_64; rv:133.0) Gecko/20100101 Firefox/133.0",
-"mac": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:133.0) Gecko/20100101 Firefox/133.0",
+"win": "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:134.0) Gecko/20100101 Firefox/134.0",
+"linux": "Mozilla/5.0 (X11; Linux x86_64; rv:134.0) Gecko/20100101 Firefox/134.0",
+"mac": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:134.0) Gecko/20100101 Firefox/134.0",
 };
 const CHROME_STABLE_UA = {
 "win": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36",