diff --git a/.gitignore b/.gitignore
index 31283fc..bab7ec0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -110,3 +110,5 @@ SOURCES/nss-3.79.0-6.el8_1.src.rpm
 /firefox-langpacks-128.12.0esr-20250617.tar.xz
 /firefox-128.13.0esr.processed-source.tar.xz
 /firefox-langpacks-128.13.0esr-20250715.tar.xz
+/firefox-128.14.0esr.processed-source.tar.xz
+/firefox-langpacks-128.14.0esr-20250812.tar.xz
diff --git a/firefox.spec b/firefox.spec
index 51514a7..d4bd9a4 100644
--- a/firefox.spec
+++ b/firefox.spec
@@ -166,7 +166,7 @@ end}
 
 Summary:        Mozilla Firefox Web browser
 Name:           firefox
-Version:        128.13.0
+Version:        128.14.0
 Release:        1%{?dist}
 URL:            https://www.mozilla.org/firefox/
 License:        MPLv1.1 or GPLv2+ or LGPLv2+
@@ -197,7 +197,7 @@ 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}-20250715.tar.xz
+Source1:        firefox-langpacks-%{version}%{?pre_version}-20250812.tar.xz
 %endif
 Source2:        cbindgen-vendor.tar.xz
 Source3:        process-official-tarball
@@ -1995,6 +1995,9 @@ gtk-update-icon-cache %{_datadir}/icons/hicolor &>/dev/null || :
 #---------------------------------------------------------------------
 
 %changelog
+* Tue Aug 12 2025 Jan Grulich <jgrulich@redhat.com> - 128.14.0-1
+- Update to 128.14.0 build1
+
 * Tue Jul 15 2025 Eike Rathke <erack@redhat.com> - 128.13.0-1
 - Update to 128.13.0 build1
 
diff --git a/sources b/sources
index 000456f..6285827 100644
--- a/sources
+++ b/sources
@@ -4,5 +4,5 @@ SHA512 (nspr-4.35.0-1.el8_1.src.rpm) = 5123a443fcc42602e31104999be339ae899eb7b1f
 SHA512 (nss-3.101.0-7.el9_2.src.rpm) = 7c325e0e437c1266031af02b3a026d20b789548ae435be6c39d710aa9d19c967ac0a79097fd50dd8ab878bf0d72c19e937d54863aa8cd0654ef2ef288e3102ec
 SHA512 (nss-3.101.0-7.el8_2.src.rpm) = c25551b06cf9239bb54aaf3edaea2c60804b449de4e06af4f5192bc181b5c6468ea8a69ddeff9de1b11bfc123e894b1ce8fc5d6deddfd5062f8736b75db56f8d
 SHA512 (wasi-sdk-20.tar.gz) = 95be9d9b41ed1f7884e9cd68bad22abbb355b049fd09731c89b9e36666d0205b1a16ec9c21820adf0c5a34e2048015cbfbef0542170d466fa3336c636873c405
-SHA512 (firefox-128.13.0esr.processed-source.tar.xz) = eef58fbfef23353aa01dc2686aa4c9dd29b6346475cf010fd59fdef56dd12a40817a9be297c8359397c39b9ba477da18646ef9cad8abfc3164b139bc1be8e468
-SHA512 (firefox-langpacks-128.13.0esr-20250715.tar.xz) = 368730420e9facd9c85513a781ba5de2f1e78db77c60f2bea38c12ab4e525f2ab5fbfea8d4a6d00ae15f5a20aafca80efdd8d30d1ba511baa4768ff5fb0193e5
+SHA512 (firefox-128.14.0esr.processed-source.tar.xz) = ee07f081d9aa8042fb2893ed41a8df518781128a405acdbb0a3826140e3cbfac72f5053a167aaa5a35fb8f8ccf7bebb323006f27cd3fddf2935aed2002016534
+SHA512 (firefox-langpacks-128.14.0esr-20250812.tar.xz) = 12efeacd75c6e3135e62b5113fe14b2eaa5065032bfa3c1607f31a8d7bc0f9296ad05b5c739d7f4fa1510120a43684a64706e38f44477a882f8c2430abdec9cc