diff --git a/README.md b/README.md
index 60a55aa73..58bc8315f 100644
--- a/README.md
+++ b/README.md
@@ -34,8 +34,8 @@ Zen is a firefox-based browser with the aim of pushing your productivity to a ne
 
 ### Firefox Versions
 
-- [`Release`](https://zen-browser.app/download) - Is currently built using Firefox version `143.0.3`! 🚀
-- [`Twilight`](https://zen-browser.app/download?twilight) - Is currently built using Firefox version `RC 143.0.3`!
+- [`Release`](https://zen-browser.app/download) - Is currently built using Firefox version `143.0.4`! 🚀
+- [`Twilight`](https://zen-browser.app/download?twilight) - Is currently built using Firefox version `RC 143.0.4`!
 
 ### Contributing
 
diff --git a/build/firefox-cache/l10n-last-commit-hash b/build/firefox-cache/l10n-last-commit-hash
index b24de145e..671337a45 100644
--- a/build/firefox-cache/l10n-last-commit-hash
+++ b/build/firefox-cache/l10n-last-commit-hash
@@ -1 +1 @@
-c8042c4961ad61678121d8ce9ca2d17cc85fefbe
\ No newline at end of file
+5cbf54e3cfaf4cfb375088d7e11702e8974b238f
\ No newline at end of file
diff --git a/surfer.json b/surfer.json
index a98050d72..e643dbd5b 100644
--- a/surfer.json
+++ b/surfer.json
@@ -5,8 +5,8 @@
   "binaryName": "zen",
   "version": {
     "product": "firefox",
-    "version": "143.0.3",
-    "candidate": "143.0.3"
+    "version": "143.0.4",
+    "candidate": "143.0.4"
   },
   "buildOptions": {
     "generateBranding": true