diff --git a/.firefox.metadata b/.firefox.metadata
index 9d09d7b..1863b73 100644
--- a/.firefox.metadata
+++ b/.firefox.metadata
@@ -1,5 +1,5 @@
 c822547dbc12e2baebdfdfb38b665e23f0c2513a SOURCES/cbindgen-vendor.tar.xz
-a42cb494b90ea92c186e1912c8c5f64bad365633 SOURCES/firefox-91.8.0esr.processed-source.tar.xz
-0ec5e6f571ac5aa2ac4cefc5a18ddecf01395dde SOURCES/firefox-langpacks-91.8.0esr-20220405.tar.xz
+0d960c32727bbe7dd0b752a3d2165f429f4144b3 SOURCES/firefox-91.9.0esr.processed-source.tar.xz
+584306ac938eedb9e3ad93e5d23481b63478bbaf SOURCES/firefox-langpacks-91.9.0esr-20220426.tar.xz
 b5fd1332d8e0d37339ae170c7bebcb63a40b22e0 SOURCES/nspr-4.32.0-1.el8_1.src.rpm
 8fff814901e03c2518ede2f8992d898f5ba61ed9 SOURCES/nss-3.67.0-7.el8_1.src.rpm
diff --git a/.gitignore b/.gitignore
index 6af5206..10cd3a7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,5 @@
 SOURCES/cbindgen-vendor.tar.xz
-SOURCES/firefox-91.8.0esr.processed-source.tar.xz
-SOURCES/firefox-langpacks-91.8.0esr-20220405.tar.xz
+SOURCES/firefox-91.9.0esr.processed-source.tar.xz
+SOURCES/firefox-langpacks-91.9.0esr-20220426.tar.xz
 SOURCES/nspr-4.32.0-1.el8_1.src.rpm
 SOURCES/nss-3.67.0-7.el8_1.src.rpm
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/SPECS/firefox.spec b/SPECS/firefox.spec
index e2c8bba..012ee10 100644
--- a/SPECS/firefox.spec
+++ b/SPECS/firefox.spec
@@ -18,7 +18,7 @@ function dist_to_rhel_minor(str, start)
   end
   match = string.match(str, ".el8")
   if match then
-     return 6
+     return 7
   end
   return -1
 end}
@@ -128,7 +128,7 @@ end}
 
 Summary:        Mozilla Firefox Web browser
 Name:           firefox
-Version:        91.8.0
+Version:        91.9.0
 Release:        1%{?dist}
 URL:            https://www.mozilla.org/firefox/
 License:        MPLv1.1 or GPLv2+ or LGPLv2+
@@ -153,7 +153,7 @@ ExcludeArch:    aarch64 s390 ppc
 # Link to official tarball: https://hg.mozilla.org/releases/mozilla-release/archive/firefox-%%{version}%%{?pre_version}.source.tar.xz
 Source0:        firefox-%{version}%{?pre_version}.processed-source.tar.xz
 %if %{build_langpacks}
-Source1:        firefox-langpacks-%{version}%{?pre_version}-20220405.tar.xz
+Source1:        firefox-langpacks-%{version}%{?pre_version}-20220426.tar.xz
 
 %endif
 Source2:        cbindgen-vendor.tar.xz
@@ -435,11 +435,7 @@ echo "use_rustts            %{?use_rustts}"
 %patch224 -p1 -b .1170092
 
 # the nss changed in 8.6 and later, so addons are working in older releases
-%if 0%{?rhel_minor_version} >= 6
-%patch225 -p1 -b .firefox-nss-addon-hack
-%endif
-
-%if 0%{?rhel} >= 9
+%if (0%{?rhel} == 8 && %{rhel_minor_version} >= 6) || 0%{?rhel} >= 9
 %patch225 -p1 -b .firefox-nss-addon-hack
 %endif
 
@@ -1268,8 +1264,8 @@ gtk-update-icon-cache %{_datadir}/icons/hicolor &>/dev/null || :
 #---------------------------------------------------------------------
 
 %changelog
-* Tue May 17 2022 CentOS Sources <bugs@centos.org> - 91.8.0-1.el9.centos
-- Apply debranding changes
+* Tue Apr 26 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