diff --git a/.gitignore b/.gitignore
index 84b6903..47df368 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,5 +2,5 @@ SOURCES/cbindgen-vendor.tar.xz
 SOURCES/nspr-4.36.0-2.el8_2.src.rpm
 SOURCES/nss-3.112.0-1.el9_4.src.rpm
 SOURCES/nss-3.112.0-4.el8_2.src.rpm
-SOURCES/thunderbird-140.8.0esr.processed-source.tar.xz
-SOURCES/thunderbird-langpacks-140.8.0esr-20260223.tar.xz
+SOURCES/thunderbird-140.9.0esr.processed-source.tar.xz
+SOURCES/thunderbird-langpacks-140.9.0esr-20260323.tar.xz
diff --git a/.thunderbird.metadata b/.thunderbird.metadata
index 0516540..ee9a524 100644
--- a/.thunderbird.metadata
+++ b/.thunderbird.metadata
@@ -2,5 +2,5 @@ bc4adac8f38f5103d8f88564a1545063dd8d6402 SOURCES/cbindgen-vendor.tar.xz
 0d0ddbd2a73340b3cbc977997f57222946b1e775 SOURCES/nspr-4.36.0-2.el8_2.src.rpm
 fd3879b176634d66f8ef64d18fdaeec98e140c23 SOURCES/nss-3.112.0-1.el9_4.src.rpm
 c3f0aaef37972107442e2796efad71be3a98ce3c SOURCES/nss-3.112.0-4.el8_2.src.rpm
-81abdcc2a93d5039346e5807dc54593add83e059 SOURCES/thunderbird-140.8.0esr.processed-source.tar.xz
-229578a15111e8eb73d8f6d13c4a50a6c22a9330 SOURCES/thunderbird-langpacks-140.8.0esr-20260223.tar.xz
+2ae7c10369b0d0148d557655739fac8b0bf3073b SOURCES/thunderbird-140.9.0esr.processed-source.tar.xz
+b819d4304c941d72656c004c4887cc7709185380 SOURCES/thunderbird-langpacks-140.9.0esr-20260323.tar.xz
diff --git a/SPECS/thunderbird.spec b/SPECS/thunderbird.spec
index 99d1d71..7556074 100644
--- a/SPECS/thunderbird.spec
+++ b/SPECS/thunderbird.spec
@@ -137,7 +137,7 @@ end}
 
 Summary:        Mozilla Thunderbird mail/newsgroup client
 Name:           thunderbird
-Version:        140.8.0
+Version:        140.9.0
 Release:        1%{?dist}.alma.1
 URL:            http://www.mozilla.org/projects/thunderbird/
 License:        MPLv1.1 or GPLv2+ or LGPLv2+
@@ -165,7 +165,7 @@ 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}-20260223.tar.xz
+Source1:        thunderbird-langpacks-%{version}%{?pre_version}-20260323.tar.xz
 %endif
 Source2:        cbindgen-vendor.tar.xz
 Source3:        process-official-tarball
@@ -1722,10 +1722,13 @@ gtk-update-icon-cache %{_datadir}/icons/hicolor &>/dev/null || :
 #===============================================================================
 
 %changelog
-* Mon Mar 02 2026 Eduard Abdullin <eabdullin@almalinux.org> - 140.8.0-1.alma.1
+* Tue Mar 31 2026 Eduard Abdullin <eabdullin@almalinux.org> - 140.9.0-1.alma.1
 - AlmaLinux changes
 - Add gcc-toolset-%{gts_version}-gcc-c++ to BR
 
+* Mon Mar 23 2026 Jan Horak <jhorak@redhat.com> - 140.9.0-1
+- Update to 140.9.0 ESR
+
 * Mon Feb 23 2026 Jan Horak <jhorak@redhat.com> - 140.8.0-1
 - Update to 140.8.0 ESR