diff --git a/.gitignore b/.gitignore
index dc8bdd8..0f3b307 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,6 +2,6 @@ SOURCES/cbindgen-vendor.tar.xz
 SOURCES/nspr-4.35.0-1.el8_1.src.rpm
 SOURCES/nss-3.90.0-2.el8_1.src.rpm
 SOURCES/nss-3.90.0-3.el9_0.src.rpm
-SOURCES/thunderbird-115.11.0.processed-source.tar.xz
-SOURCES/thunderbird-langpacks-115.11.0-20240513.tar.xz
+SOURCES/thunderbird-115.12.1.processed-source.tar.xz
+SOURCES/thunderbird-langpacks-115.12.1-20240618.tar.xz
 SOURCES/thunderbird-symbolic.svg
diff --git a/.thunderbird.metadata b/.thunderbird.metadata
index 892a5d3..f73f8ab 100644
--- a/.thunderbird.metadata
+++ b/.thunderbird.metadata
@@ -2,6 +2,6 @@ b963b16f6879c5dbe6e33a3a3da058b494453922 SOURCES/cbindgen-vendor.tar.xz
 d744f92e874688cc4b5376477dfdd639a97a6cd4 SOURCES/nspr-4.35.0-1.el8_1.src.rpm
 39d1004f8948186cdaa33bbb90423f6f994bdf6c SOURCES/nss-3.90.0-2.el8_1.src.rpm
 df0dd588680f6ade6728a1fd3ff2d71e7a46255d SOURCES/nss-3.90.0-3.el9_0.src.rpm
-b49c034c5add68d6ed21941260f81ff19de310f9 SOURCES/thunderbird-115.11.0.processed-source.tar.xz
-c7dd3c6b5bf0a940cf27e4f2cf39ba53c2156116 SOURCES/thunderbird-langpacks-115.11.0-20240513.tar.xz
+8485420cd9241904b23a376870d12d7fe4cd0eb3 SOURCES/thunderbird-115.12.1.processed-source.tar.xz
+94b02d8fc382e44dfb48d52bc5db1a6bc8497050 SOURCES/thunderbird-langpacks-115.12.1-20240618.tar.xz
 42e80b86948cdba0f69af5b15a69bc6a1274d938 SOURCES/thunderbird-symbolic.svg
diff --git a/README.debrand b/README.debrand
deleted file mode 100644
index 01c46d2..0000000
--- a/README.debrand
+++ /dev/null
@@ -1,2 +0,0 @@
-Warning: This package was configured for automatic debranding, but the changes
-failed to apply.
diff --git a/SPECS/thunderbird.spec b/SPECS/thunderbird.spec
index 3219243..bc242ff 100644
--- a/SPECS/thunderbird.spec
+++ b/SPECS/thunderbird.spec
@@ -134,7 +134,7 @@ end}
 
 Summary:        Mozilla Thunderbird mail/newsgroup client
 Name:           thunderbird
-Version:        115.11.0
+Version:        115.12.1
 Release:        1%{?dist}
 URL:            http://www.mozilla.org/projects/thunderbird/
 License:        MPLv1.1 or GPLv2+ or LGPLv2+
@@ -155,7 +155,7 @@ ExcludeArch:    %{ix86}
   %endif
 %endif
 %if 0%{?rhel} == 7
-ExcludeArch: s390 ppc ppc64
+ExcludeArch:    aarch64 s390 ppc ppc64
 %endif
 
 # We can't use the official tarball as it contains some test files that use
@@ -165,7 +165,7 @@ ExcludeArch: s390 ppc ppc64
 #Source0:        https://archive.mozilla.org/pub/thunderbird/releases/%%{version}%%{?pre_version}/source/thunderbird-%%{version}%%{?pre_version}.processed-source.tar.xz
 Source0:        thunderbird-%{version}%{?pre_version}%{?buildnum}.processed-source.tar.xz
 %if %{with langpacks}
-Source1:        thunderbird-langpacks-%{version}-20240513.tar.xz
+Source1:        thunderbird-langpacks-%{version}-20240618.tar.xz
 %endif
 Source2:        cbindgen-vendor.tar.xz
 Source3:        process-official-tarball
@@ -1514,6 +1514,15 @@ gtk-update-icon-cache %{_datadir}/icons/hicolor &>/dev/null || :
 #===============================================================================
 
 %changelog
+* Tue Jun 18 2024 Eike Rathke <erack@redhat.com> - 115.12.1-1
+- Update to 115.12.1 build1
+
+* Tue Jun 11 2024 Eike Rathke <erack@redhat.com> - 115.12.0-2
+- Update to 115.12.0 build2
+
+* Mon Jun 10 2024 Eike Rathke <erack@redhat.com> - 115.12.0-1
+- Update to 115.12.0 build1
+
 * Mon May 13 2024 Eike Rathke <erack@redhat.com> - 115.11.0-1
 - Update to 115.11.0 build2