diff --git a/srcpkgs/Signal-Desktop/patches/build-from-tarball.patch b/srcpkgs/Signal-Desktop/patches/build-from-tarball.patch
new file mode 100644
index 00000000000..11f75722a5a
--- /dev/null
+++ b/srcpkgs/Signal-Desktop/patches/build-from-tarball.patch
@@ -0,0 +1,10 @@
+Kludge to work around https://github.com/signalapp/Signal-Desktop/issues/2376.
+--- Gruntfile.js.orig	2018-05-15 01:57:11.000000000 +0200
++++ Gruntfile.js	2018-05-20 19:15:45.054357251 +0200
+@@ -511,6 +511,5 @@
+     'concat',
+     'copy:deps',
+     'sass',
+-    'date',
+   ]);
+ };
diff --git a/srcpkgs/Signal-Desktop/template b/srcpkgs/Signal-Desktop/template
index 34730a31020..c85209067a7 100644
--- a/srcpkgs/Signal-Desktop/template
+++ b/srcpkgs/Signal-Desktop/template
@@ -1,27 +1,24 @@
 # Template file for 'Signal-Desktop'
 pkgname=Signal-Desktop
-version=1.7.1
+version=1.12.1
 revision=1
 hostmakedepends="git python nodejs-lts"
 depends="libnotify libappindicator"
 short_desc="Signal Private Messenger for Linux"
 maintainer="Julio Galvan <juliogalvan@protonmail.com>"
-license="GPL-3"
+license="GPL-3.0-only"
 homepage="https://github.com/signalapp/Signal-Desktop"
 distfiles="https://github.com/signalapp/Signal-Desktop/archive/v${version}.tar.gz"
-checksum=188fe8c17ccf49609467ab59ea6321beb7ee71e00da7b419249d205ebf80d13d
+checksum=82ca68e0b912db19b4bc4d1bfb8b2d2f76e1d4393c4c1fa8ff950502883b18ac
 # Due to electron
 only_for_archs="x86_64 i686"
 nostrip_files="signal-desktop"
 
-post_extract() {
-	sed -i "s/'sass', 'date'/'sass'/g" Gruntfile.js
-}
-
 do_build() {
 	npm install -g yarn
 	yarn install --ignore-engines
-	yarn pack-prod
+	yarn generate
+	yarn build-release --dir
 }
 
 do_install() {
@@ -32,7 +29,7 @@ do_install() {
 		x86_64*) _ARCH="-";;
 		*) _ARCH="-${XBPS_TARGET_MACHINE%-musl}-";;
 	esac
-	vcopy dist/linux${_ARCH}unpacked/* usr/share/signal-desktop
+	vcopy release/linux${_ARCH}unpacked/* usr/share/signal-desktop
 
 	vmkdir usr/bin
 	ln -s /usr/share/signal-desktop/signal-desktop ${DESTDIR}/usr/bin/
@@ -41,7 +38,7 @@ do_install() {
 	vcopy ${FILESDIR}/signal.desktop usr/share/applications/
 
 	vmkdir usr/share/icons/hicolor
-	for size in 16 24 32 48 64 128 256 512; do
+	for size in 16 24 32 48 64 128 256 512 1024; do
 		vinstall build/icons/png/${size}x${size}.png 644 usr/share/icons/hicolor/${size}x${size}/apps/	signal.png
 	done
 	npm remove -g yarn