diff --git a/.SRCINFO b/.SRCINFO
index 854ff12b9321..1f42c7a24337 100644
--- a/.SRCINFO
+++ b/.SRCINFO
@@ -1,6 +1,6 @@
 pkgbase = firefox-nightly-i18n-th
 	pkgdesc = Thai language pack for Firefox Nightly
-	pkgver = 139.0a1.20250412.090848
+	pkgver = 139.0a1.20250412.211221
 	pkgrel = 1
 	url = https://www.mozilla.org/firefox/
 	arch = any
@@ -9,8 +9,8 @@ pkgbase = firefox-nightly-i18n-th
 	license = GPL
 	license = LGPL
 	depends = firefox-nightly
-	noextract = firefox-nightly-i18n-th-139.0a1.20250412.090848.xpi
-	source = firefox-nightly-i18n-th-139.0a1.20250412.090848.xpi::https://ftp.mozilla.org/pub/firefox/nightly/latest-mozilla-central-l10n/linux-x86_64/xpi/firefox-139.0a1.th.langpack.xpi
-	sha256sums = 98a20326f3a2794c6e634fc49c93bd64a4e9ccc345a40fe73ac228ac31918f5b
+	noextract = firefox-nightly-i18n-th-139.0a1.20250412.211221.xpi
+	source = firefox-nightly-i18n-th-139.0a1.20250412.211221.xpi::https://ftp.mozilla.org/pub/firefox/nightly/latest-mozilla-central-l10n/linux-x86_64/xpi/firefox-139.0a1.th.langpack.xpi
+	sha256sums = fef12cd91b8118efbd43a599cb126e599b1f7aa48905f0a3885a7d438fae4331
 
 pkgname = firefox-nightly-i18n-th
diff --git a/PKGBUILD b/PKGBUILD
index 326c94418cfd..918d0f94eee2 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -9,7 +9,7 @@ url="https://www.mozilla.org/firefox/"
 _url=https://ftp.mozilla.org/pub/firefox/nightly/latest-mozilla-central-l10n/linux-x86_64/xpi
 
 _version=139.0a1
-pkgver=139.0a1.20250412.090848
+pkgver=139.0a1.20250412.211221
 
 depends=("firefox-nightly")
 
@@ -25,7 +25,7 @@ source=("${_pkgname_base}-${_language_short}-${pkgver}.xpi::$_url/firefox-${_ver
 # Don't extract anything
 noextract=("${_pkgname_base}-${_language_short}-${pkgver}.xpi")
 
-sha256sums=('98a20326f3a2794c6e634fc49c93bd64a4e9ccc345a40fe73ac228ac31918f5b')
+sha256sums=('fef12cd91b8118efbd43a599cb126e599b1f7aa48905f0a3885a7d438fae4331')
 
 package() {
   install -Dm644 "${_pkgname_base}-${_language_short}-${pkgver}.xpi" \