diff --git a/.firefox.metadata b/.firefox.metadata
index b18ecdb..be1960b 100644
--- a/.firefox.metadata
+++ b/.firefox.metadata
@@ -1,7 +1,7 @@
 5012b69e54cbebe3b5e74011dacf3a2097f49921 SOURCES/cbindgen-vendor.tar.xz
-3d283a197f4363b9afc187586213b76e95374511 SOURCES/firefox-128.2.0esr.processed-source.tar.xz
-1303d0fc410be228a4e24e61db40939b4f9f8de0 SOURCES/firefox-langpacks-128.2.0esr-20240827.tar.xz
+febc288cf9cfecc9755fc1dac8a4680244a47366 SOURCES/firefox-128.3.0esr.processed-source.tar.xz
+ce0c755853b8201b92e4e29af83a82a6a61e07a5 SOURCES/firefox-langpacks-128.3.0esr-20240924.tar.xz
 2d8a6b2b30d5496735f49ffe8c8a7ede3a78a5ca SOURCES/mochitest-python.tar.gz
 d744f92e874688cc4b5376477dfdd639a97a6cd4 SOURCES/nspr-4.35.0-1.el8_1.src.rpm
-cd19fc0ba6e05b5930cfcc7c85ec8508a6d3f284 SOURCES/nss-3.101.0-6.el8_2.src.rpm
-c3665cbe283450a49ab446d3044916132f1b9699 SOURCES/nss-3.101.0-6.el9_0.src.rpm
+f466d7213e85773e002c48897524eaf909480046 SOURCES/nss-3.101.0-7.el8_2.src.rpm
+0413d22a58ba1bba99acec9c3c2a4db56a4100c7 SOURCES/nss-3.101.0-7.el9_2.src.rpm
diff --git a/.gitignore b/.gitignore
index db37035..b7a9981 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,7 +1,7 @@
 SOURCES/cbindgen-vendor.tar.xz
-SOURCES/firefox-128.2.0esr.processed-source.tar.xz
-SOURCES/firefox-langpacks-128.2.0esr-20240827.tar.xz
+SOURCES/firefox-128.3.0esr.processed-source.tar.xz
+SOURCES/firefox-langpacks-128.3.0esr-20240924.tar.xz
 SOURCES/mochitest-python.tar.gz
 SOURCES/nspr-4.35.0-1.el8_1.src.rpm
-SOURCES/nss-3.101.0-6.el8_2.src.rpm
-SOURCES/nss-3.101.0-6.el9_0.src.rpm
+SOURCES/nss-3.101.0-7.el8_2.src.rpm
+SOURCES/nss-3.101.0-7.el9_2.src.rpm
diff --git a/SPECS/firefox.spec b/SPECS/firefox.spec
index 85bdf3e..4562453 100644
--- a/SPECS/firefox.spec
+++ b/SPECS/firefox.spec
@@ -137,7 +137,7 @@ end}
 
 Summary:        Mozilla Firefox Web browser
 Name:           firefox
-Version:        128.2.0
+Version:        128.3.0
 Release:        1%{?dist}.inferit
 URL:            https://www.mozilla.org/firefox/
 License:        MPLv1.1 or GPLv2+ or LGPLv2+
@@ -168,7 +168,7 @@ 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}-20240827.tar.xz
+Source1:        firefox-langpacks-%{version}%{?pre_version}-20240924.tar.xz
 %endif
 Source2:        cbindgen-vendor.tar.xz
 Source3:        process-official-tarball
@@ -193,8 +193,8 @@ Source37:       mochitest-python.tar.gz
 # Bundled libraries
 Source401:      nss-setup-flags-env.inc
 Source402:      nspr-4.35.0-1.el8_1.src.rpm
-Source403:      nss-3.101.0-6.el8_2.src.rpm
-Source404:      nss-3.101.0-6.el9_0.src.rpm
+Source403:      nss-3.101.0-7.el8_2.src.rpm
+Source404:      nss-3.101.0-7.el9_2.src.rpm
 
 # ---- RHEL specific patches ---
 # -- Downstream only --
@@ -1884,6 +1884,9 @@ gtk-update-icon-cache %{_datadir}/icons/hicolor &>/dev/null || :
 #---------------------------------------------------------------------
 
 %changelog
+* Tue Sep 24 2024 Jan Horak <jhorak@redhat.com> - 128.3.0-1
+- Update to 128.3.0
+
 * Tue Aug 27 2024 Jan Horak <jhorak@redhat.com> - 128.2.0-1
 - Update to 128.2.0