diff --git a/.SRCINFO b/.SRCINFO
index cf6b780e3887..f51002f089f8 100644
--- a/.SRCINFO
+++ b/.SRCINFO
@@ -1,6 +1,6 @@
 pkgbase = firefox-nightly-i18n-sl
 	pkgdesc = Slovenian language pack for Firefox Nightly
-	pkgver = 148.0a1.20251215.094013
+	pkgver = 148.0a1.20251215.210721
 	pkgrel = 1
 	url = https://www.mozilla.org/firefox/
 	arch = any
@@ -9,8 +9,8 @@ pkgbase = firefox-nightly-i18n-sl
 	license = GPL
 	license = LGPL
 	depends = firefox-nightly
-	noextract = firefox-nightly-i18n-sl-148.0a1.20251215.094013.xpi
-	source = firefox-nightly-i18n-sl-148.0a1.20251215.094013.xpi::https://ftp.mozilla.org/pub/firefox/nightly/latest-mozilla-central-l10n/linux-x86_64/xpi/firefox-148.0a1.sl.langpack.xpi
-	sha256sums = e466f9774b0e83e93eea0d32c4cb4aa9a2e9f63184ea9afc31359c4fdc341d5b
+	noextract = firefox-nightly-i18n-sl-148.0a1.20251215.210721.xpi
+	source = firefox-nightly-i18n-sl-148.0a1.20251215.210721.xpi::https://ftp.mozilla.org/pub/firefox/nightly/latest-mozilla-central-l10n/linux-x86_64/xpi/firefox-148.0a1.sl.langpack.xpi
+	sha256sums = 8bd9c1dc87fd79aab4002ff6cbc8a05369f4941f8df550d5f4b156fb7f54c84b
 
 pkgname = firefox-nightly-i18n-sl
diff --git a/PKGBUILD b/PKGBUILD
index c72333364470..75beb715fefd 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=148.0a1
-pkgver=148.0a1.20251215.094013
+pkgver=148.0a1.20251215.210721
 
 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=('e466f9774b0e83e93eea0d32c4cb4aa9a2e9f63184ea9afc31359c4fdc341d5b')
+sha256sums=('8bd9c1dc87fd79aab4002ff6cbc8a05369f4941f8df550d5f4b156fb7f54c84b')
 
 package() {
   install -Dm644 "${_pkgname_base}-${_language_short}-${pkgver}.xpi" \