diff --git a/.gitignore b/.gitignore
index f73b16f..3c4375c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -412,3 +412,5 @@ thunderbird-langpacks-3.1.2-20100803.tar.bz2
 /thunderbird-115.1.1.source.tar.xz
 /thunderbird-115.2.2.source.tar.xz
 /thunderbird-langpacks-115.2.2-20230920.tar.xz
+/thunderbird-115.3.0.source.tar.xz
+/thunderbird-langpacks-115.3.0-20230926.tar.xz
diff --git a/sources b/sources
index d6469e3..7a597b0 100644
--- a/sources
+++ b/sources
@@ -1,3 +1,3 @@
 SHA512 (cbindgen-vendor.tar.xz) = 161811f4adfc74e5d92871c78139704d32e1e1ad6b615c85353de300d9647a68f1ca8b1c953f7cc5539d861e9e8d8e42892cae757a3eafea78804e19bc323c16
-SHA512 (thunderbird-115.2.2.source.tar.xz) = 45843709c21eb19d69d43205da6b2f943b584811a29942ffef1933c1ce7882b48046b201c2ff198658fec2c53d479311d8a353731afe6ea53f97b31674d6074a
-SHA512 (thunderbird-langpacks-115.2.2-20230920.tar.xz) = 845057f699de35870fb45a5b0457a6841f5ddf32d11e514fe1bd0e094ea0c1407ffd637a14a595f5e08c68c4c1111b56fede1e99bb758e807bcd5c050302f616
+SHA512 (thunderbird-115.3.0.source.tar.xz) = a6fd99f9eccea5cfc8a6236a1651444fae9db99efd0ae667366638f664513e70529c63e2947b53433c1013517b23f3561cffada81d1181bd9359a02d3e059503
+SHA512 (thunderbird-langpacks-115.3.0-20230926.tar.xz) = d06c045ae250d602e1bfa88b3cf34f512d3ae52bdeff9102e2938c088252829441e012437051bc9db18d64d639af5281e258284f2f1aa341634f1113b95936a5
diff --git a/thunderbird.spec b/thunderbird.spec
index a8a2b90..b6a7474 100644
--- a/thunderbird.spec
+++ b/thunderbird.spec
@@ -76,13 +76,13 @@ ExcludeArch: s390x
 
 Summary:        Mozilla Thunderbird mail/newsgroup client
 Name:           thunderbird
-Version:        115.2.2
+Version:        115.3.0
 Release:        1%{?dist}
 URL:            http://www.mozilla.org/projects/thunderbird/
 License:        MPL-2.0 OR GPL-2.0-or-later OR LGPL-2.0-or-later
 Source0:        https://archive.mozilla.org/pub/thunderbird/releases/%{version}%{?pre_version}/source/thunderbird-%{version}%{?pre_version}.source.tar.xz
 %if %{build_langpacks}
-Source1:        thunderbird-langpacks-%{version}-20230920.tar.xz
+Source1:        thunderbird-langpacks-%{version}-20230926.tar.xz
 %endif
 Source3:        get-calendar-langpacks.sh
 Source4:        cbindgen-vendor.tar.xz
@@ -719,6 +719,9 @@ gtk-update-icon-cache %{_datadir}/icons/hicolor &>/dev/null || :
 #===============================================================================
 
 %changelog
+* Wed Sep 27 2023 Eike Rathke <erack@redhat.com> - 115.3.0-1
+- Update to 115.3.0
+
 * Tue Sep 19 2023 Eike Rathke <erack@redhat.com> - 115.2.2-1
 - Update to 115.2.2