diff --git a/.gitignore b/.gitignore
index 520105e..111746d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -12,3 +12,5 @@
 /thunderbird-langpacks-91.4.0-20211201.tar.xz
 /nss-3.67.0-7.el8_1.src.rpm
 /thunderbird-langpacks-91.4.0-20211206.tar.xz
+/thunderbird-91.5.0.processed-source.tar.xz
+/thunderbird-langpacks-91.5.0-20220107.tar.xz
diff --git a/sources b/sources
index 9acb402..c0f0837 100644
--- a/sources
+++ b/sources
@@ -1,5 +1,5 @@
 SHA512 (cbindgen-vendor.tar.xz) = 9cb4a590584c53386a14deb1f1faf7b67ff8f312eff4a8dccab710738183c504387d69fa660021b495ed61603f4df1db689f35234c61e2e886962e40aab20c95
 SHA512 (nss-3.67.0-7.el8_1.src.rpm) = 15361c596fc4f2e4afc7d40d48c37886cad93849821d2bcad8213f34035a6951be127b436b6799083f2b4adb18a68870dbe273177d2d670eda9cc9680e6d6f63
 SHA512 (nspr-4.32.0-1.el8_1.src.rpm) = c181a19bc24aeb62aed1745a6a43ae8aa2ee0d903aa16cb6ec7d385286e60f6426049cc9669459434377a215f329502ffe6fc48a1edc52d5b3283ebc259e9dca
-SHA512 (thunderbird-91.4.0.processed-source.tar.xz) = 0a042358652cb35690e28225a85852869186593c427f62ab88603f89100527120a03412266e6bd6020146de0dc0ef1f3d5cebf9e2307010def67d4e94be99582
-SHA512 (thunderbird-langpacks-91.4.0-20211206.tar.xz) = af940a428ffb231c0704d4f29434c33c90211e7a35c7c8b9640070949deffddbf7d0b3673856de0e94eb3b2cef6d1d672dc7f9772de1326ef7efa66af8a7248b
+SHA512 (thunderbird-91.5.0.processed-source.tar.xz) = 570d01ab1acee9d9ad6b3e8cf547e81a9894801fcdb1bcf9b0bd72b902c6563e3b8fa2c0b3dbcb3d5b5ba3d7e76c65ea59d1a607a636e1c4c5d412df32b512f9
+SHA512 (thunderbird-langpacks-91.5.0-20220107.tar.xz) = 94ef8be4548c2b5b99a9624b8d865f554253c5b3853ed29606e0c5f4f953cd2a809ec89a561ef637d8af5fc3043016a94340cf3b06cbb7617cdfa11a779cd251
diff --git a/thunderbird.spec b/thunderbird.spec
index f9b6b8b..233b0cf 100644
--- a/thunderbird.spec
+++ b/thunderbird.spec
@@ -127,8 +127,8 @@ end}
 %global build_langpacks         1
 Summary:        Mozilla Thunderbird mail/newsgroup client
 Name:           thunderbird
-Version:        91.4.0
-Release:        2%{?dist}
+Version:        91.5.0
+Release:        1%{?dist}
 URL:            http://www.mozilla.org/projects/thunderbird/
 License:        MPLv1.1 or GPLv2+ or LGPLv2+
 Group:          Applications/Internet
@@ -150,7 +150,7 @@ ExcludeArch:    s390 ppc
 # Link to official tarball: https://archive.mozilla.org/pub/thunderbird/releases/%%{version}%%{?pre_version}/source/thunderbird-%%{version}%%{?pre_version}.source.tar.xz
 Source0:        thunderbird-%{version}%{?pre_version}.processed-source.tar.xz
 %if %{build_langpacks}
-Source1:        thunderbird-langpacks-%{version}%{?ext_version}-20211206.tar.xz
+Source1:        thunderbird-langpacks-%{version}%{?ext_version}-20220107.tar.xz
 %endif
 Source2:        cbindgen-vendor.tar.xz
 Source3:        get-calendar-langpacks.sh
@@ -1161,6 +1161,9 @@ gtk-update-icon-cache %{_datadir}/icons/hicolor &>/dev/null || :
 #===============================================================================
 
 %changelog
+* Fri Jan 07 2022 Eike Rathke <erack@redhat.com> - 91.5.0-1
+- Update to 91.5.0 build1
+
 * Mon Dec 06 2021 Eike Rathke <erack@redhat.com> - 91.4.0-2
 - Update to 91.4.0 build2