diff --git a/download b/download
index 15469090d83a563eb58960eb65764aa299045d97..f8787294dff43ad9d8669fe806ed243cf8edc725 100644
--- a/download
+++ b/download
@@ -1,6 +1,6 @@
 9b999bdcf031e29a4d8ce2b6f17e778e  cbindgen-vendor.tar.xz
-56826fe5b8fa9c4f98fb8b3b38d17a01  firefox-115.11.0esr.processed-source.tar.xz
-5479fb1ebefdb55e9c7b6fc6805091c1  firefox-langpacks-115.11.0esr-20240507.tar.xz
+d55b9df7998ee24d6743d072dc4bac42  firefox-langpacks-115.12.0esr-20240604.tar.xz 
+9660760a87290448f4c57dd5ae1948f1  firefox-115.12.0esr.processed-source.tar.xz
 b3c1d2ea615cb0195f4f62b005773262  mochitest-python.tar.gz
 7b35b9a003996b1f1dbc3cd936a609f2  nspr-4.35.0-1.el8_1.src.rpm
 3fdd30cefe44a98c424cb3aeca73f2b3  nss-3.90.0-3.el8_1.src.rpm
diff --git a/firefox.spec b/firefox.spec
index f03ff25ef3372a1d28a326fd965ebcfcd44cdf9f..3220f7529d5f53bf153a4607f1b132a2d0c90f90 100644
--- a/firefox.spec
+++ b/firefox.spec
@@ -38,7 +38,7 @@ function dist_to_rhel_minor(str, start)
   end
   match = string.match(str, ".el9")
   if match then
-     return 4
+     return 5
   end
   return -1
 end}
@@ -134,7 +134,7 @@ end}
 
 Summary:        Mozilla Firefox Web browser
 Name:           firefox
-Version:        115.11.0
+Version:        115.12.0
 Release:        1%{anolis_release}%{?dist}
 URL:            https://www.mozilla.org/firefox/
 License:        MPLv1.1 or GPLv2+ or LGPLv2+
@@ -165,7 +165,7 @@ ExcludeArch: s390 ppc
 # Link to original tarball: https://archive.mozilla.org/pub/firefox/releases/%%{version}%%{?pre_version}/source/firefox-%%{version}%%{?pre_version}.source.tar.xz
 Source0:        firefox-%{version}%{?pre_version}%{?buildnum}.processed-source.tar.xz
 %if %{with langpacks}
-Source1:        firefox-langpacks-%{version}%{?pre_version}-20240507.tar.xz
+Source1:        firefox-langpacks-%{version}%{?pre_version}-20240604.tar.xz
 %endif
 Source2:        cbindgen-vendor.tar.xz
 Source3:        process-official-tarball
@@ -1760,9 +1760,12 @@ gtk-update-icon-cache %{_datadir}/icons/hicolor &>/dev/null || :
 #---------------------------------------------------------------------
 
 %changelog
-* Thu Jun 20 2024 yangxianzhao <yangxianzhao@uniontech.com> - 115.11.0-1.0.1
+* Fri Jun 21 2024 yangxianzhao <yangxianzhao@uniontech.com> - 115.12.0-1.0.1
 - rebrand to anolis
 
+* Tue Jun 04 2024 Eike Rathke <erack@redhat.com> - 115.12.0-1
+- Update to 115.12.0 build1
+
 * Tue May 07 2024 Eike Rathke <erack@redhat.com> - 115.11.0-1
 - Update to 115.11.0 build1