diff --git a/testing/dart-sass/APKBUILD b/testing/dart-sass/APKBUILD
index 47b040084b65d0b6d66d0c3c668b36d4a89e19ea..891cb7503f2a91f9f72adab3f57d5051c5b6e505 100644
--- a/testing/dart-sass/APKBUILD
+++ b/testing/dart-sass/APKBUILD
@@ -1,36 +1,53 @@
 # Contributor: Lauren N. Liberda <lauren@selfisekai.rocks>
 # Maintainer: Lauren N. Liberda <lauren@selfisekai.rocks>
 pkgname=dart-sass
-pkgver=1.62.1
+pkgver=1.63.4
 pkgrel=0
 pkgdesc="The primary implementation of Sass"
 url="https://sass-lang.com/dart-sass"
-arch="aarch64 armv7 x86_64"	# dart
+# armv7: no buf
+arch="aarch64 x86_64"	# dart
 license="MIT"
-makedepends="dart-sdk"
-source="https://github.com/sass/dart-sass/archive/refs/tags/$pkgver/dart-sass-$pkgver.tar.gz"
+depends="dart"
+makedepends="
+	buf
+	dart-sdk
+	"
+_protocol_ver=2.0.0
+source="
+	https://github.com/sass/dart-sass/archive/refs/tags/$pkgver/dart-sass-$pkgver.tar.gz
+	https://github.com/sass/sass/archive/refs/tags/embedded-protocol-2.0.0.tar.gz
+	sass
+	"
 builddir="$srcdir/dart-sass-$pkgver/"
-options="!strip" # dart compile exe can't be stripped
 
 prepare() {
 	default_prepare
 
+	mkdir build
+	mv "$srcdir/sass-embedded-protocol-$_protocol_ver" build/language
+
 	dart pub get
 }
 
 build() {
-	dart compile exe -Dversion="$pkgver" -v bin/sass.dart
+	UPDATE_SASS_PROTOCOL=false \
+		dart run grinder protobuf
+	dart run grinder pkg-compile-snapshot
 }
 
 check() {
 	# sanity
-	bin/sass.exe --version
+	dart run ./build/sass.snapshot --version
 }
 
 package() {
-	install -Dm755 bin/sass.exe "$pkgdir"/usr/bin/sass
+	install -Dm644 ./build/sass.snapshot "$pkgdir"/usr/lib/dart-sass/sass.jit
+	install -Dm755 "$srcdir"/sass "$pkgdir"/usr/bin/sass
 }
 
 sha512sums="
-34b88c47ca946050ce87de23cf0c881a9acbf8c7e7980ede1a0923f1a03cf4d601f53122fa8414a013c8420789bcca4cf556959702651351047ead52d4e47fff  dart-sass-1.62.1.tar.gz
+5b5cb8c1fc97e3c1932bc9d6e3a003e48b6a09cedec4e0d2defa4c26231431e44d098149194e6f69306a8c12dd9241909919926dd469ee7d1d1ae7a9e347c3c9  dart-sass-1.63.4.tar.gz
+2610ff935ca3c5305ffd4b2111c6605e28588825c003c567fddbf69c9ae0c02595f1c773ac8d4b5e74ee645931ebee6815066c30f61feb4061b93e3d4db3d0d0  embedded-protocol-2.0.0.tar.gz
+739538ce789d4dd81d2f4520bd1c13ea3b3c7c0208c3dbdb5ed85e71d9b49e190aab5023396b0c1c5556d2f3d6e5c18488d0092f27be554411f42cf68efb9daa  sass
 "
diff --git a/testing/dart-sass/sass b/testing/dart-sass/sass
new file mode 100644
index 0000000000000000000000000000000000000000..8f3f848dac8ad59bfdcb98b1a14f6d436006ca1c
--- /dev/null
+++ b/testing/dart-sass/sass
@@ -0,0 +1,3 @@
+#!/bin/sh
+
+dart run /usr/lib/dart-sass/sass.jit "$@"