diff --git a/.gitignore b/.gitignore
index d47ffc6..e1f3642 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,5 @@
 SOURCES/cbindgen-vendor.tar.xz
 SOURCES/nspr-4.32.0-1.el8_1.src.rpm
 SOURCES/nss-3.67.0-7.el8_1.src.rpm
-SOURCES/thunderbird-91.8.0.processed-source.tar.xz
-SOURCES/thunderbird-langpacks-91.8.0-20220405.tar.xz
+SOURCES/thunderbird-91.9.0.processed-source.tar.xz
+SOURCES/thunderbird-langpacks-91.9.0-20220503.tar.xz
diff --git a/.thunderbird.metadata b/.thunderbird.metadata
index a40c082..437aa41 100644
--- a/.thunderbird.metadata
+++ b/.thunderbird.metadata
@@ -1,5 +1,5 @@
 c822547dbc12e2baebdfdfb38b665e23f0c2513a SOURCES/cbindgen-vendor.tar.xz
 b5fd1332d8e0d37339ae170c7bebcb63a40b22e0 SOURCES/nspr-4.32.0-1.el8_1.src.rpm
 8fff814901e03c2518ede2f8992d898f5ba61ed9 SOURCES/nss-3.67.0-7.el8_1.src.rpm
-7f97946153fe61dd7da01fdb3e2e367c7f24bcf5 SOURCES/thunderbird-91.8.0.processed-source.tar.xz
-23d8ffc635a34725c989f591cc074f329b8e35db SOURCES/thunderbird-langpacks-91.8.0-20220405.tar.xz
+e012b11182f73663668bd7f3ebe84acd6e51b44d SOURCES/thunderbird-91.9.0.processed-source.tar.xz
+7cc62140aef4a07dec14fcae4103f57e11859ec1 SOURCES/thunderbird-langpacks-91.9.0-20220503.tar.xz
diff --git a/README.debrand b/README.debrand
deleted file mode 100644
index 01c46d2..0000000
--- a/README.debrand
+++ /dev/null
@@ -1,2 +0,0 @@
-Warning: This package was configured for automatic debranding, but the changes
-failed to apply.
diff --git a/SOURCES/thunderbird-centos-default-prefs.js.el7 b/SOURCES/thunderbird-centos-default-prefs.js.el7
deleted file mode 100644
index c27d9d3..0000000
--- a/SOURCES/thunderbird-centos-default-prefs.js.el7
+++ /dev/null
@@ -1,36 +0,0 @@
-pref("app.update.enabled", false);
-pref("app.update.autoInstallEnabled", false);
-/* Allow users to set custom colors*/
-/* pref("browser.display.use_system_colors",   true);*/
-pref("general.useragent.vendor", "CentOS");
-pref("general.useragent.vendorSub", "THUNDERBIRD_RPM_VR");
-pref("intl.locale.matchOS", true);
-pref("mail.shell.checkDefaultClient", false);
-pref("toolkit.networkmanager.disable", false);
-pref("offline.autoDetect", true);
-
-/* Disable global indexing by default*/
-pref("mailnews.database.global.indexer.enabled", false);
-
-/* Do not switch to Smart Folders after upgrade to 3.0b4 */
-pref("mail.folder.views.version", "1");
-pref("extensions.shownSelectionUI", true);
-pref("extensions.autoDisableScopes", 0);
-
-/* For rhbz#1024232 */
-pref("ui.SpellCheckerUnderlineStyle",       1);
-
-/* Workaround for rhbz#1753011 */
-pref("spellchecker.dictionary_path", "/usr/share/myspell");
-/* Workaround for rhbz#1134876 */
-pref("javascript.options.baselinejit",      false);
-/* Workaround for rhbz#1110291 */
-pref("network.negotiate-auth.allow-insecure-ntlm-v1", true);
-/* Workaround for mozbz#1063315 */
-pref("security.use_mozillapkix_verification", false);
-/* Use OS settings for UI language */
-pref("intl.locale.requested", "");
-/* Disable telemetry */
-pref("datareporting.healthreport.uploadEnabled", false);
-pref("datareporting.policy.dataSubmissionEnabled", false);
-pref("toolkit.telemetry.archive.enabled", false);
diff --git a/SPECS/thunderbird.spec b/SPECS/thunderbird.spec
index 045c082..6df2d71 100644
--- a/SPECS/thunderbird.spec
+++ b/SPECS/thunderbird.spec
@@ -19,7 +19,7 @@ function dist_to_rhel_minor(str, start)
   end
   match = string.match(str, ".el8")
   if match then
-     return 6
+     return 7
   end
   return -1
 end}
@@ -128,8 +128,8 @@ end}
 %global build_langpacks         1
 Summary:        Mozilla Thunderbird mail/newsgroup client
 Name:           thunderbird
-Version:        91.8.0
-Release:        1%{?dist}
+Version:        91.9.0
+Release:        3%{?dist}
 URL:            http://www.mozilla.org/projects/thunderbird/
 License:        MPLv1.1 or GPLv2+ or LGPLv2+
 Group:          Applications/Internet
@@ -155,7 +155,7 @@ ExcludeArch:    aarch64 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}-20220405.tar.xz
+Source1:        thunderbird-langpacks-%{version}%{?ext_version}-20220503.tar.xz
 %endif
 Source2:        cbindgen-vendor.tar.xz
 Source3:        get-calendar-langpacks.sh
@@ -167,7 +167,7 @@ Source21:       thunderbird.sh.in
 Source24:       mozilla-api-key
 Source27:       google-api-key
 Source28:       node-stdout-nonblocking-wrapper
-Source701:      thunderbird-centos-default-prefs.js.el7
+Source701:      thunderbird-redhat-default-prefs.js.rhel7
 
 Source403:      nss-3.67.0-7.el8_1.src.rpm
 Source401:      nss-setup-flags-env.inc
@@ -1124,8 +1124,14 @@ gtk-update-icon-cache %{_datadir}/icons/hicolor &>/dev/null || :
 #===============================================================================
 
 %changelog
-* Mon Apr 11 2022 CentOS Sources <bugs@centos.org> - 91.8.0-1.el8.centos
-- Apply debranding changes
+* Tue May 03 2022 Eike Rathke <erack@redhat.com> - 91.9.0-3
+- Update to 91.9.0 build3
+
+* Mon May 02 2022 Eike Rathke <erack@redhat.com> - 91.9.0-2
+- Update to 91.9.0 build2
+
+* Thu Apr 28 2022 Eike Rathke <erack@redhat.com> - 91.9.0-1
+- Update to 91.9.0
 
 * Tue Apr 05 2022 Eike Rathke <erack@redhat.com> - 91.8.0-1
 - Update to 91.8.0