diff --git a/.gitignore b/.gitignore
index 5c0bca3..eccd3a5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -339,3 +339,5 @@ thunderbird-langpacks-3.1.2-20100803.tar.bz2
 /thunderbird-langpacks-91.1.0-20210907.tar.xz
 /thunderbird-91.2.0.source.tar.xz
 /thunderbird-langpacks-91.2.0-20211015.tar.xz
+/thunderbird-91.3.0.source.tar.xz
+/thunderbird-langpacks-91.3.0-20211109.tar.xz
diff --git a/sources b/sources
index c4ef3f1..612be90 100644
--- a/sources
+++ b/sources
@@ -1,3 +1,3 @@
-SHA512 (thunderbird-91.2.0.source.tar.xz) = 1f21f77069490be2de131f6125a498c6ed0a7d10b2ff787891d8dea10019719fea8014a8b2d626a2365f10f6307b616e5f1eef2c601e4da5402c9d5fc7d35049
-SHA512 (thunderbird-langpacks-91.2.0-20211015.tar.xz) = 98cdccda1bcb284fde7872587836a8200f370ae7ed250c7ec4d9f9d602007b2eab529d30758b2099d7d14225cbaaf446fab881bdab64f322e570eb91b84fb9d1
+SHA512 (thunderbird-91.3.0.source.tar.xz) = 938de817ed2cad90f665559da1dfc266f34b6ca2e688ee364112edfdb1167183a8225132ed50b672ceb14402be933be82fd1ef8b46f103cdf1534a403fb472d9
+SHA512 (thunderbird-langpacks-91.3.0-20211109.tar.xz) = d29a14429b385a2356c14cc1f6e4522e5f58127d2e840d067adcc5c9405407cf02a9bf5dd82189cf7cb055e746b4e4dc6124f670f4457ff53768a9b6af514582
 SHA512 (cbindgen-vendor.tar.xz) = 105a7d93d63920d8c232421a29f6330c171343d27807feaeadb1737374e5cf1d48916cb6e9ce04773dd81bb3c52a6f5cef12e633b0922cb9f91ca99acc9e4b78
diff --git a/thunderbird.spec b/thunderbird.spec
index b17a133..ce76e0b 100644
--- a/thunderbird.spec
+++ b/thunderbird.spec
@@ -89,13 +89,13 @@ ExcludeArch: s390x
 
 Summary:        Mozilla Thunderbird mail/newsgroup client
 Name:           thunderbird
-Version:        91.2.0
+Version:        91.3.0
 Release:        1%{?dist}
 URL:            http://www.mozilla.org/projects/thunderbird/
 License:        MPLv1.1 or GPLv2+ or LGPLv2+
 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}-20211015.tar.xz
+Source1:        thunderbird-langpacks-%{version}-20211109.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
+* Tue Nov 09 2021 Jan Horak <jhorak@redhat.com> - 91.3.0-1
+- Update to 91.3.0 build2
+
 * Fri Oct 15 2021 Jan Horak <jhorak@redhat.com> - 91.2.0-1
 - Update to 91.2.0 build1