diff --git a/download b/download
index a04594282d890e7fa9a645a874fc2f80ba1b870e..e2684177e5e76b4cf935748f379ed43b1943a26c 100644
--- a/download
+++ b/download
@@ -1,5 +1,5 @@
 9030c1f285ee079a4c386e525e57a2b1  cbindgen-vendor.tar.xz
-33251316033dc0596281c6d060dc87c4  thunderbird-91.11.0.b2.processed-source.tar.xz
-61f9f8fe81ff4b47c7be8fb0dfc23cc2  thunderbird-langpacks-91.11.0-20220628.tar.xz
+dfc2fe10f832bc4108d2c66337b06e98  thunderbird-91.12.0.processed-source.tar.xz
+5304fa7c57277183472da52b0b063eba  thunderbird-langpacks-91.12.0-20220725.tar.xz
 5b7e3326f4484ce1ab685e74f8477a26  nspr-4.32.0-1.el8_1.src.rpm
 770fbbfb259e656b8f3879934137d10c  nss-3.67.0-7.el8_1.src.rpm
diff --git a/thunderbird.spec b/thunderbird.spec
index 027f264810ef9407f9d38ef67cbab6045d8cd136..9bfbbed73aaf56310d122b88f8486a56d7443301 100644
--- a/thunderbird.spec
+++ b/thunderbird.spec
@@ -133,12 +133,11 @@ end}
 # thunderbird-91.9.0.b2.processed-source.tar.xz
 # When unset use processed source file name as is.
 #global buildnum .b2
-%global buildnum .b2
 
 Summary:        Mozilla Thunderbird mail/newsgroup client
 Name:           thunderbird
-Version:        91.11.0
-Release:        2%{anolis_release}%{?dist}
+Version:        91.12.0
+Release:        1%{anolis_release}%{?dist}
 URL:            http://www.mozilla.org/projects/thunderbird/
 License:        MPLv1.1 or GPLv2+ or LGPLv2+
 Group:          Applications/Internet
@@ -164,7 +163,7 @@ ExcludeArch:    aarch64 s390 ppc
 # Link to official tarball: https://archive.mozilla.org/pub/thunderbird/releases/%%{version}%%{?pre_version}/source/thunderbird-%%{version}%%{?pre_version}.source.tar.xz
 Source0:        thunderbird-%{version}%{?pre_version}%{?buildnum}.processed-source.tar.xz
 %if %{build_langpacks}
-Source1:        thunderbird-langpacks-%{version}%{?ext_version}-20220628.tar.xz
+Source1:        thunderbird-langpacks-%{version}%{?ext_version}-20220725.tar.xz
 %endif
 Source2:        cbindgen-vendor.tar.xz
 Source3:        get-calendar-langpacks.sh
@@ -1132,9 +1131,12 @@ gtk-update-icon-cache %{_datadir}/icons/hicolor &>/dev/null || :
 #===============================================================================
 
 %changelog
-* Sat Jul  2 2022 Liwei Ge <geliwei@openanolis.org> - 91.11.0-2.0.1
+* Tue Aug 02 2022 Liwei Ge <geliwei@openanolis.org> - 91.12.0-1.0.1
 - Rebrand to Anolis
 
+* Mon Jul 25 2022 Eike Rathke <erack@redhat.com> - 91.12.0-1
+- Update to 91.12.0 build1
+
 * Tue Jun 28 2022 Eike Rathke <erack@redhat.com> - 91.11.0-2
 - Update to 91.11.0 build2