diff --git a/.firefox.metadata b/.firefox.metadata
index 3735509..9d09d7b 100644
--- a/.firefox.metadata
+++ b/.firefox.metadata
@@ -1,5 +1,5 @@
 c822547dbc12e2baebdfdfb38b665e23f0c2513a SOURCES/cbindgen-vendor.tar.xz
-d208b4a6bafc320267bb65a486365f2cd1f8aa5a SOURCES/firefox-91.7.0esr.processed-source.tar.xz
-fe2cdd6db0edb7d3da3c645e4efc003b6afedb6c SOURCES/firefox-langpacks-91.7.0esr-20220307.tar.xz
+a42cb494b90ea92c186e1912c8c5f64bad365633 SOURCES/firefox-91.8.0esr.processed-source.tar.xz
+0ec5e6f571ac5aa2ac4cefc5a18ddecf01395dde SOURCES/firefox-langpacks-91.8.0esr-20220405.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 ab9c539..6af5206 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,5 @@
 SOURCES/cbindgen-vendor.tar.xz
-SOURCES/firefox-91.7.0esr.processed-source.tar.xz
-SOURCES/firefox-langpacks-91.7.0esr-20220307.tar.xz
+SOURCES/firefox-91.8.0esr.processed-source.tar.xz
+SOURCES/firefox-langpacks-91.8.0esr-20220405.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/SOURCES/Bug-1238661---fix-mozillaSignalTrampoline-to-work-.patch b/SOURCES/Bug-1238661---fix-mozillaSignalTrampoline-to-work-.patch
deleted file mode 100644
index 6dfe2ad..0000000
--- a/SOURCES/Bug-1238661---fix-mozillaSignalTrampoline-to-work-.patch
+++ /dev/null
@@ -1,12 +0,0 @@
-diff -up firefox-60.0/mfbt/LinuxSignal.h.mozilla-1238661 firefox-60.0/mfbt/LinuxSignal.h
---- firefox-60.0/mfbt/LinuxSignal.h.mozilla-1238661	2018-04-27 08:55:38.848241768 +0200
-+++ firefox-60.0/mfbt/LinuxSignal.h	2018-04-27 09:06:47.946769859 +0200
-@@ -22,7 +22,7 @@ __attribute__((naked)) void SignalTrampo
-                                              void* aContext) {
-   asm volatile("nop; nop; nop; nop" : : : "memory");
- 
--  asm volatile("b %0" : : "X"(H) : "memory");
-+  asm volatile("bx %0" : : "r"(H), "l"(aSignal), "l"(aInfo), "l"(aContext) : "memory");
- }
- 
- #  define MOZ_SIGNAL_TRAMPOLINE(h) (mozilla::SignalTrampoline<h>)
diff --git a/SOURCES/Bug-1526653---fix_user_vfp_armv7.patch b/SOURCES/Bug-1526653---fix_user_vfp_armv7.patch
deleted file mode 100644
index 3f84f95..0000000
--- a/SOURCES/Bug-1526653---fix_user_vfp_armv7.patch
+++ /dev/null
@@ -1,35 +0,0 @@
-From fd6847c9416f9eebde636e21d794d25d1be8791d Mon Sep 17 00:00:00 2001
-From: Mike Hommey <mh@glandium.org>
-Date: Sat, 1 Jun 2019 09:06:01 +0900
-Subject: [PATCH] Bug 1526653 - Include struct definitions for user_vfp and
- user_vfp_exc.
-
----
- js/src/wasm/WasmSignalHandlers.cpp | 11 ++++++++++-
- 1 file changed, 10 insertions(+), 1 deletion(-)
-
-diff --git a/js/src/wasm/WasmSignalHandlers.cpp b/js/src/wasm/WasmSignalHandlers.cpp
-index 636537f8478..383c380f04c 100644
---- a/js/src/wasm/WasmSignalHandlers.cpp
-+++ b/js/src/wasm/WasmSignalHandlers.cpp
-@@ -248,7 +248,16 @@ using mozilla::DebugOnly;
- #endif
- 
- #ifdef WASM_EMULATE_ARM_UNALIGNED_FP_ACCESS
--#  include <sys/user.h>
-+struct user_vfp {
-+  unsigned long long fpregs[32];
-+  unsigned long fpscr;
-+};
-+
-+struct user_vfp_exc {
-+  unsigned long fpexc;
-+  unsigned long fpinst;
-+  unsigned long fpinst2;
-+};
- #endif
- 
- #if defined(ANDROID)
--- 
-2.20.1
-
diff --git a/SOURCES/firefox-centos-default-prefs.js b/SOURCES/firefox-centos-default-prefs.js
deleted file mode 100644
index 039e27f..0000000
--- a/SOURCES/firefox-centos-default-prefs.js
+++ /dev/null
@@ -1,35 +0,0 @@
-pref("app.update.auto",                     false);
-pref("app.update.enabled",                  false);
-pref("app.update.autoInstallEnabled",       false);
-pref("general.smoothScroll",                true);
-pref("intl.locale.matchOS",                 true);
-pref("toolkit.storage.synchronous",         0);
-pref("toolkit.networkmanager.disable",      false);
-pref("offline.autoDetect",                  true);
-pref("browser.backspace_action",            2);
-pref("browser.display.use_system_colors",   true);
-pref("browser.download.folderList",         1);
-pref("browser.link.open_external",          3);
-pref("browser.shell.checkDefaultBrowser",   false);
-pref("network.manage-offline-status",       true);
-pref("extensions.shownSelectionUI",         true);
-pref("ui.SpellCheckerUnderlineStyle",       1);
-pref("startup.homepage_override_url",       "http://www.centos.org");
-pref("startup.homepage_welcome_url",        "http://www.centos.org");
-pref("browser.startup.homepage",            "data:text/plain,browser.startup.homepage=file:///%PREFIX%/share/doc/HTML/index.html");
-pref("geo.wifi.uri", "https://location.services.mozilla.com/v1/geolocate?key=%MOZILLA_API_KEY%");
-pref("media.gmp-gmpopenh264.provider.enabled",false);
-pref("media.gmp-gmpopenh264.autoupdate",false);
-pref("media.gmp-gmpopenh264.enabled",false);
-pref("media.gmp-gmpopenh264.enabled",false);
-pref("plugins.notifyMissingFlash", false);
-/* See https://bugzilla.redhat.com/show_bug.cgi?id=1226489 */
-pref("browser.display.use_system_colors", false);
-pref("layers.use-image-offscreen-surfaces", false);
-/* Allow sending credetials to all https:// sites */
-pref("network.negotiate-auth.trusted-uris", "https://");
-pref("security.use_sqldb", false);
-/* Use OS settings for UI language */
-pref("intl.locale.requested", "");
-/* See https://bugzilla.redhat.com/show_bug.cgi?id=1672424 */
-pref("storage.nfs_filesystem", true);
diff --git a/SPECS/firefox.spec b/SPECS/firefox.spec
index 525c27f..ac49416 100644
--- a/SPECS/firefox.spec
+++ b/SPECS/firefox.spec
@@ -128,8 +128,8 @@ end}
 
 Summary:        Mozilla Firefox Web browser
 Name:           firefox
-Version:        91.7.0
-Release:        3%{?dist}
+Version:        91.8.0
+Release:        1%{?dist}
 URL:            https://www.mozilla.org/firefox/
 License:        MPLv1.1 or GPLv2+ or LGPLv2+
 %if 0%{?rhel} == 9
@@ -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}-20220307.tar.xz
+Source1:        firefox-langpacks-%{version}%{?pre_version}-20220405.tar.xz
 
 %endif
 Source2:        cbindgen-vendor.tar.xz
@@ -212,12 +212,6 @@ Patch521:        expat-CVE-2022-25315.patch
 
 # Flatpak patches
 
-# CentOS patches
-%if 0%{?centos}
-Patch10000:      Bug-1238661---fix-mozillaSignalTrampoline-to-work-.patch
-Patch10001:      Bug-1526653---fix_user_vfp_armv7.patch
-%endif
-
 %if %{?system_nss}
 %if !0%{?bundle_nss}
 BuildRequires:  pkgconfig(nspr) >= %{nspr_version}
@@ -477,13 +471,6 @@ echo "use_rustts            %{?use_rustts}"
   %endif
 %endif
 
-%if 0%{?centos}
-%ifarch %{arm}
-%patch 10000 -p1 -b .centos.armhfp
-%patch 10001 -p1 -b .centos.armhfp2
-%endif
-%endif
-
 %{__rm} -f .mozconfig
 %{__cp} %{SOURCE10} .mozconfig
 %if %{official_branding}
@@ -1277,8 +1264,8 @@ gtk-update-icon-cache %{_datadir}/icons/hicolor &>/dev/null || :
 #---------------------------------------------------------------------
 
 %changelog
-* Thu Mar 10 2022 CentOS Sources <bugs@centos.org> - 91.7.0-3.el8.centos
-- Apply debranding changes
+* Tue Apr 05 2022 Eike Rathke <erack@redhat.com> - 91.8.0-1
+- Update to 91.8.0
 
 * Mon Mar 07 2022 Eike Rathke <erack@redhat.com> - 91.7.0-3
 - Update to 91.7.0 build3