diff --git a/.firefox.metadata b/.firefox.metadata
index 2a97de3..4a1ead1 100644
--- a/.firefox.metadata
+++ b/.firefox.metadata
@@ -1,5 +1,5 @@
 c822547dbc12e2baebdfdfb38b665e23f0c2513a SOURCES/cbindgen-vendor.tar.xz
-d13ae0300c2295a2762eeeea2556ca847e55799c SOURCES/firefox-91.9.1esr.processed-source.tar.xz
-253fb25c2ea809ca7505c4b164723038f2a5e718 SOURCES/firefox-langpacks-91.9.1esr-20220520.tar.xz
+72b64cbe7b2aa6dbf64c1db0d122a57b06189e66 SOURCES/firefox-91.10.0esr.processed-source.tar.xz
+72ea5a3b4889eb3b12f37b14fad621f7b417c9fc SOURCES/firefox-langpacks-91.10.0esr-20220524.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 5d36065..a39c447 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,5 @@
 SOURCES/cbindgen-vendor.tar.xz
-SOURCES/firefox-91.9.1esr.processed-source.tar.xz
-SOURCES/firefox-langpacks-91.9.1esr-20220520.tar.xz
+SOURCES/firefox-91.10.0esr.processed-source.tar.xz
+SOURCES/firefox-langpacks-91.10.0esr-20220524.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/mozilla-s390x-skia-gradient.patch b/SOURCES/mozilla-s390x-skia-gradient.patch
deleted file mode 100644
index 8c0e3bd..0000000
--- a/SOURCES/mozilla-s390x-skia-gradient.patch
+++ /dev/null
@@ -1,52 +0,0 @@
-# HG changeset patch
-# Parent  acf59ea86dd1d878b43920832093f082dcfc61c0
-
-diff -r acf59ea86dd1 gfx/skia/skia/src/shaders/gradients/Sk4fLinearGradient.cpp
---- a/gfx/skia/skia/src/shaders/gradients/Sk4fLinearGradient.cpp	Mon Mar 09 08:26:10 2020 +0100
-+++ b/gfx/skia/skia/src/shaders/gradients/Sk4fLinearGradient.cpp	Fri Mar 27 13:30:28 2020 +0100
-@@ -7,7 +7,7 @@
- 
- #include "include/core/SkPaint.h"
- #include "src/shaders/gradients/Sk4fLinearGradient.h"
--
-+#include "src/core/SkEndian.h"
- #include <cmath>
- #include <utility>
- 
-@@ -28,6 +28,9 @@
- 
-     while (n >= 4) {
-         DstTraits<premul>::store4x(c0, c1, c2, c3, dst, bias0, bias1);
-+#ifdef SK_CPU_BENDIAN
-+        SkEndianSwap32s(dst, 4);
-+#endif
-         dst += 4;
- 
-         c0 = c0 + dc4;
-@@ -37,12 +40,23 @@
-         n -= 4;
-     }
-     if (n & 2) {
--        DstTraits<premul>::store(c0, dst++, bias0);
--        DstTraits<premul>::store(c1, dst++, bias1);
-+        DstTraits<premul>::store(c0, dst, bias0);
-+#ifdef SK_CPU_BENDIAN
-+        *dst = SkEndianSwap32(*dst);
-+#endif
-+        ++dst;
-+        DstTraits<premul>::store(c1, dst, bias1);
-+#ifdef SK_CPU_BENDIAN
-+        *dst = SkEndianSwap32(*dst);
-+#endif
-+        ++dst;
-         c0 = c0 + dc2;
-     }
-     if (n & 1) {
-         DstTraits<premul>::store(c0, dst, bias0);
-+#ifdef SK_CPU_BENDIAN
-+        *dst = SkEndianSwap32(*dst);
-+#endif
-     }
- }
- 
-
diff --git a/SPECS/firefox.spec b/SPECS/firefox.spec
index 5967a36..ed9302a 100644
--- a/SPECS/firefox.spec
+++ b/SPECS/firefox.spec
@@ -136,7 +136,7 @@ end}
 
 Summary:        Mozilla Firefox Web browser
 Name:           firefox
-Version:        91.9.1
+Version:        91.10.0
 Release:        1%{?dist}
 URL:            https://www.mozilla.org/firefox/
 License:        MPLv1.1 or GPLv2+ or LGPLv2+
@@ -161,7 +161,7 @@ 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}%{?buildnum}.processed-source.tar.xz
 %if %{build_langpacks}
-Source1:        firefox-langpacks-%{version}%{?pre_version}-20220520.tar.xz
+Source1:        firefox-langpacks-%{version}%{?pre_version}-20220524.tar.xz
 
 %endif
 Source2:        cbindgen-vendor.tar.xz
@@ -207,7 +207,7 @@ Patch510:        mozilla-bmo1554971.patch
 Patch511:        mozilla-bmo1602730.patch
 Patch512:        mozilla-bmo849632.patch
 Patch513:        mozilla-bmo998749.patch
-Patch514:        mozilla-s390x-skia-gradient.patch
+#Patch514:        mozilla-s390x-skia-gradient.patch
 Patch515:        mozilla-bmo1626236.patch
 Patch518:        D110204-fscreen.diff
 Patch519:        expat-CVE-2022-25235.patch
@@ -1268,9 +1268,12 @@ gtk-update-icon-cache %{_datadir}/icons/hicolor &>/dev/null || :
 #---------------------------------------------------------------------
 
 %changelog
-* Thu May 26 2022 Eduard Abdullin <eabdullin@almalinux.org> - 91.9.1-1.alma
+* Wed Jun 01 2022 Eduard Abdullin <eabdullin@almalinux.org> - 91.10.0-1.alma
 - Debrand for AlmaLinux
 
+* Tue May 24 2022 Eike Rathke <erack@redhat.com> - 91.10.0-1
+- Update to 91.10.0 build1
+
 * Fri May 20 2022 Jan Horak <jhorak@redhat.com> - 91.9.1-1
 - Update to 91.9.1 build1