diff --git a/SPECS/mattermost.spec b/SPECS/mattermost.spec
index e9ec8d0..41d0634 100644
--- a/SPECS/mattermost.spec
+++ b/SPECS/mattermost.spec
@@ -5,7 +5,7 @@
 %define debug_package %{nil}
 
 Name         : mattermost
-Version      : 5.37.2
+Version      : 5.37.4
 Release      : 1%{dist}
 License      : MIT
 URL          : https://mattermost.io
@@ -48,36 +48,40 @@ sed 's/amd64/%{_arch}/g' -i build/release.mk
 make build-linux
 popd
 pushd src/github.com/mattermost/mattermost-webapp/
+source /opt/rh/devtoolset-10/enable
 git checkout v%{version}
-npm install --save
-# we need to patch optipng from npm
-git clone https://github.com/imagemin/optipng-bin node_modules/optipng-bin/
-sed 's/--with-system-zlib/--with-system-zlib --with-system-libpng/' -i node_modules/optipng-bin/lib/install.js
-rm -rf node_modules/optipng-bin/.git/
-cp %{_bindir}/optipng node_modules/optipng-bin/vendor/optipng
-rm -rf node_modules/pngquant-bin
-git clone https://github.com/imagemin/pngquant-bin node_modules/pngquant-bin
-cp %{_bindir}/pngquant node_modules/pngquant-bin/vendor/pngquant
-rm -rf node_modules/imagemin-pngquant
-git clone https://github.com/imagemin/imagemin-pngquant node_modules/imagemin-pngquant
-npm rebuild
-%ifarch ppc64 ppc64le
-# because optipng doesn't build on ppc64 or ppc64le
-#cp %{_bindir}/optipng node_modules/optipng-bin/vendor/optipng
-#cp %{_bindir}/gifsicle node_modules/gifsicle/vendor/gifsicle
-#cp %{_bindir}/cwebp node_modules/cwebp-bin/vendor/cwebp
-#cp %{_bindir}/dwebp node_modules/cwebp-bin/vendor/dwebp
-%endif
-sed "/import favicon16x16 from 'images\/favicon\/favicon-16x16.png';/d" -i components/favicon_title_handler/favicon_title_handler.tsx
-sed "/import favicon32x32 from 'images\/favicon\/favicon-32x32.png';/d" -i components/favicon_title_handler/favicon_title_handler.tsx
-sed "/import redDotFavicon32x32 from 'images\/favicon\/favicon-reddot-32x32.png';/d" -i components/favicon_title_handler/favicon_title_handler.tsx
-sed "/import redDotFavicon96x96 from 'images\/favicon\/favicon-reddot-96x96.png';/d" -i components/favicon_title_handler/favicon_title_handler.tsx
-sed "/const link16x16 = document.querySelector<HTMLLinkElement>('link\[rel="icon"\]\[sizes="16x16"\]');/d" -i components/favicon_title_handler/favicon_title_handler.tsx
-sed "/const link32x32 = document.querySelector<HTMLLinkElement>('link\[rel="icon"\]\[sizes="32x32"\]');/d" -i components/favicon_title_handler/favicon_title_handler.tsx
-sed "/link16x16!.href = typeof redDotFavicon16x16 === 'string' ? redDotFavicon16x16 : '';/d" -i components/favicon_title_handler/favicon_title_handler.tsx
-sed "/link32x32!.href = typeof redDotFavicon32x32 === 'string' ? redDotFavicon32x32 : '';/d" -i components/favicon_title_handler/favicon_title_handler.tsx
-sed "/link16x16!.href = typeof favicon16x16 === 'string' ? favicon16x16 : '';/d" -i components/favicon_title_handler/favicon_title_handler.tsx
-sed "/link32x32!.href = typeof favicon32x32 === 'string' ? favicon32x32 : '';/d" -i components/favicon_title_handler/favicon_title_handler.tsx
+rm -rf node_modules/
+rm -rf package-lock.json
+npm install --force #--save
+### ### ### # we need to patch optipng from npm
+### ### ### git clone https://github.com/imagemin/optipng-bin node_modules/optipng-bin/
+### ### ### sed 's/--with-system-zlib/--with-system-zlib --with-system-libpng/' -i node_modules/optipng-bin/lib/install.js
+### ### ### rm -rf node_modules/optipng-bin/.git/
+### ### ### cp %{_bindir}/optipng node_modules/optipng-bin/vendor/optipng
+### ### ### rm -rf node_modules/pngquant-bin
+### ### ### git clone https://github.com/imagemin/pngquant-bin node_modules/pngquant-bin
+### ### ### cp %{_bindir}/pngquant node_modules/pngquant-bin/vendor/pngquant
+### ### ### rm -rf node_modules/imagemin-pngquant
+### ### ### git clone https://github.com/imagemin/imagemin-pngquant node_modules/imagemin-pngquant
+### ### ### npm rebuild
+### ### ### %ifarch ppc64 ppc64le
+### ### ### # because optipng doesn't build on ppc64 or ppc64le
+### ### ### cp %{_bindir}/optipng node_modules/optipng-bin/vendor/optipng
+### ### ### cp %{_bindir}/gifsicle node_modules/gifsicle/vendor/gifsicle
+### ### ### cp %{_bindir}/cwebp node_modules/cwebp-bin/vendor/cwebp
+### ### ### cp %{_bindir}/dwebp node_modules/cwebp-bin/vendor/dwebp
+### ### ### cp %{_bindir}/pngquant node_modules/pngquant-bin/vendor/pngquant
+### ### ### %endif
+### ### ### sed "/import favicon16x16 from 'images\/favicon\/favicon-16x16.png';/d" -i components/favicon_title_handler/favicon_title_handler.tsx
+### ### ### sed "/import favicon32x32 from 'images\/favicon\/favicon-32x32.png';/d" -i components/favicon_title_handler/favicon_title_handler.tsx
+### ### ### sed "/import redDotFavicon32x32 from 'images\/favicon\/favicon-reddot-32x32.png';/d" -i components/favicon_title_handler/favicon_title_handler.tsx
+### ### ### sed "/import redDotFavicon96x96 from 'images\/favicon\/favicon-reddot-96x96.png';/d" -i components/favicon_title_handler/favicon_title_handler.tsx
+### ### ### sed "/const link16x16 = document.querySelector<HTMLLinkElement>('link\[rel="icon"\]\[sizes="16x16"\]');/d" -i components/favicon_title_handler/favicon_title_handler.tsx
+### ### ### sed "/const link32x32 = document.querySelector<HTMLLinkElement>('link\[rel="icon"\]\[sizes="32x32"\]');/d" -i components/favicon_title_handler/favicon_title_handler.tsx
+### ### ### sed "/link16x16!.href = typeof redDotFavicon16x16 === 'string' ? redDotFavicon16x16 : '';/d" -i components/favicon_title_handler/favicon_title_handler.tsx
+### ### ### sed "/link32x32!.href = typeof redDotFavicon32x32 === 'string' ? redDotFavicon32x32 : '';/d" -i components/favicon_title_handler/favicon_title_handler.tsx
+### ### ### sed "/link16x16!.href = typeof favicon16x16 === 'string' ? favicon16x16 : '';/d" -i components/favicon_title_handler/favicon_title_handler.tsx
+### ### ### sed "/link32x32!.href = typeof favicon32x32 === 'string' ? favicon32x32 : '';/d" -i components/favicon_title_handler/favicon_title_handler.tsx
 npm run build
 popd