diff --git a/.gitignore b/.gitignore
index f14e31b..e5ff337 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,5 +2,5 @@ SOURCES/cbindgen-vendor.tar.xz
 SOURCES/nspr-4.35.0-1.el8_1.src.rpm
 SOURCES/nss-3.101.0-7.el8_2.src.rpm
 SOURCES/nss-3.101.0-7.el9_2.src.rpm
-SOURCES/thunderbird-128.3.1esr.processed-source.tar.xz
-SOURCES/thunderbird-langpacks-128.3.1esr-20241009.tar.xz
+SOURCES/thunderbird-128.4.0esr.processed-source.tar.xz
+SOURCES/thunderbird-langpacks-128.4.0esr-20241028.tar.xz
diff --git a/.thunderbird.metadata b/.thunderbird.metadata
index 561abcd..a7714b4 100644
--- a/.thunderbird.metadata
+++ b/.thunderbird.metadata
@@ -2,5 +2,5 @@
 d744f92e874688cc4b5376477dfdd639a97a6cd4 SOURCES/nspr-4.35.0-1.el8_1.src.rpm
 f466d7213e85773e002c48897524eaf909480046 SOURCES/nss-3.101.0-7.el8_2.src.rpm
 0413d22a58ba1bba99acec9c3c2a4db56a4100c7 SOURCES/nss-3.101.0-7.el9_2.src.rpm
-cb08af756e2def716a67ba6cfa82c7ba5531fe46 SOURCES/thunderbird-128.3.1esr.processed-source.tar.xz
-2142c8e71c60688c410f2d9022f52c0d67267f39 SOURCES/thunderbird-langpacks-128.3.1esr-20241009.tar.xz
+a084840a65ebe0e3d1884196b4a0dc27115b1320 SOURCES/thunderbird-128.4.0esr.processed-source.tar.xz
+76c4b27c29f49f5b3eb752bf5486394a0469e8d2 SOURCES/thunderbird-langpacks-128.4.0esr-20241028.tar.xz
diff --git a/SPECS/thunderbird.spec b/SPECS/thunderbird.spec
index 8fb1442..6745c74 100644
--- a/SPECS/thunderbird.spec
+++ b/SPECS/thunderbird.spec
@@ -131,7 +131,7 @@ end}
 
 Summary:        Mozilla Thunderbird mail/newsgroup client
 Name:           thunderbird
-Version:        128.3.1
+Version:        128.4.0
 Release:        1%{?dist}.alma.1
 URL:            http://www.mozilla.org/projects/thunderbird/
 License:        MPLv1.1 or GPLv2+ or LGPLv2+
@@ -159,7 +159,7 @@ ExcludeArch:    %{ix86}
 #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}%{?pre_version}-20241009.tar.xz
+Source1:        thunderbird-langpacks-%{version}%{?pre_version}-20241028.tar.xz
 %endif
 Source2:        cbindgen-vendor.tar.xz
 Source3:        process-official-tarball
@@ -1638,9 +1638,12 @@ gtk-update-icon-cache %{_datadir}/icons/hicolor &>/dev/null || :
 #===============================================================================
 
 %changelog
-* Mon Oct 14 2024 Eduard Abdullin <eabdullin@almalinux.org> - 128.3.1-1.alma.1
+* Mon Nov 04 2024 Eduard Abdullin <eabdullin@almalinux.org> - 128.4.0-1.alma.1
 - AlmaLinux changes
 
+* Mon Oct 28 2024 Eike Rathke <erack@redhat.com> - 128.4.0-1
+- Update to 128.4.0 build1
+
 * Wed Oct 09 2024 Eike Rathke <erack@redhat.com> - 128.3.1-1
 - Update to 128.3.1