diff --git a/.firefox.metadata b/.firefox.metadata
index 5820d25..96dd922 100644
--- a/.firefox.metadata
+++ b/.firefox.metadata
@@ -1,6 +1,6 @@
 bc4adac8f38f5103d8f88564a1545063dd8d6402 SOURCES/cbindgen-vendor.tar.xz
-7168024fef8a1bd754e2c714caf1a056e2de7726 SOURCES/firefox-140.9.1esr.processed-source.tar.xz
-e3c6b08a3e1ea825a08b53f2ba4799ef0e23a0e0 SOURCES/firefox-langpacks-140.9.1esr-20260408.tar.xz
+480a296464dd537d8fdd161f74c0322ac9fd97ce SOURCES/firefox-140.10.0esr.processed-source.tar.xz
+30963377992f6f40cd1a7bf852f69f6b5eae19f3 SOURCES/firefox-langpacks-140.10.0esr-20260416.tar.xz
 2d8a6b2b30d5496735f49ffe8c8a7ede3a78a5ca SOURCES/mochitest-python.tar.gz
 0d0ddbd2a73340b3cbc977997f57222946b1e775 SOURCES/nspr-4.36.0-2.el8_2.src.rpm
 fd3879b176634d66f8ef64d18fdaeec98e140c23 SOURCES/nss-3.112.0-1.el9_4.src.rpm
diff --git a/.gitignore b/.gitignore
index e9a0543..fa0c9e8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,6 @@
 SOURCES/cbindgen-vendor.tar.xz
-SOURCES/firefox-140.9.1esr.processed-source.tar.xz
-SOURCES/firefox-langpacks-140.9.1esr-20260408.tar.xz
+SOURCES/firefox-140.10.0esr.processed-source.tar.xz
+SOURCES/firefox-langpacks-140.10.0esr-20260416.tar.xz
 SOURCES/mochitest-python.tar.gz
 SOURCES/nspr-4.36.0-2.el8_2.src.rpm
 SOURCES/nss-3.112.0-1.el9_4.src.rpm
diff --git a/SPECS/firefox.spec b/SPECS/firefox.spec
index ef8abff..ec54382 100644
--- a/SPECS/firefox.spec
+++ b/SPECS/firefox.spec
@@ -191,7 +191,7 @@ end}
 
 Summary:        Mozilla Firefox Web browser
 Name:           firefox
-Version:        140.9.1
+Version:        140.10.0
 Release:        1%{?dist}.alma.1
 URL:            https://www.mozilla.org/firefox/
 License:        MPLv1.1 or GPLv2+ or LGPLv2+
@@ -222,7 +222,7 @@ ExcludeArch:    aarch64 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}-20260408.tar.xz
+Source1:        firefox-langpacks-%{version}%{?pre_version}-20260416.tar.xz
 %endif
 Source2:        cbindgen-vendor.tar.xz
 Source3:        process-official-tarball
@@ -2138,9 +2138,12 @@ gtk-update-icon-cache %{_datadir}/icons/hicolor &>/dev/null || :
 #---------------------------------------------------------------------
 
 %changelog
-* Mon Apr 13 2026 Eduard Abdullin <eabdullin@almalinux.org> - 140.9.1-1.alma.1
+* Tue Apr 28 2026 Eduard Abdullin <eabdullin@almalinux.org> - 140.10.0-1.alma.1
 - Add gcc-toolset-%{gts_version}-gcc-c++ to BR
 
+* Thu Apr 16 2026 Jan Horak <jhorak@redhat.com> - 140.10.0-1
+- Update to 140.10.0 ESR
+
 * Wed Apr  8 2026 Jan Horak <jhorak@redhat.com> - 140.9.1-1
 - Update to 140.9.1 ESR