diff --git a/testing/ocaml-wtf8/APKBUILD b/testing/ocaml-wtf8/APKBUILD
new file mode 100644
index 00000000000..54e33935454
--- /dev/null
+++ b/testing/ocaml-wtf8/APKBUILD
@@ -0,0 +1,53 @@
+# Contributor: Jakub Jirutka <jakub@jirutka.cz>
+# Maintainer: Jakub Jirutka <jakub@jirutka.cz>
+pkgname=ocaml-wtf8
+_pkgname=wtf8
+pkgver=1.0.1
+pkgrel=0
+pkgdesc="An ocaml library that implements a WTF-8 encoder and decoder"
+url="https://github.com/flowtype/ocaml-wtf8"
+arch="all !x86 !armhf !s390x"  # limited by ocaml aport
+license="MIT"
+depends="ocaml-runtime"
+makedepends="dune ocaml ocaml-findlib opam"
+options="!check"  # no tests provided
+subpackages="$pkgname-dev"
+source="https://github.com/flowtype/$pkgname/archive/v$pkgver/$pkgname-$pkgver.tar.gz"
+builddir="$srcdir/$pkgname-$pkgver"
+
+build() {
+	cd "$builddir"
+	jbuilder build @install
+}
+
+package() {
+	cd "$builddir"
+
+	mkdir -p "$pkgdir"/usr/lib/ocaml
+	jbuilder install \
+		--destdir="$pkgdir"/usr \
+		--libdir="$pkgdir"/usr/lib/ocaml
+
+	# There's just a readme and changelog.
+	rm -Rf "$pkgdir"/usr/doc
+
+	# Remove annotation files and sources.
+	cd "$pkgdir"/usr/lib/ocaml/$_pkgname
+	rm -f *.cmt* *.ml
+
+	chmod +x *.cmxs
+}
+
+dev() {
+	default_dev
+
+	depends="$pkgname=$pkgver-r$pkgrel"
+	local sitelib="usr/lib/ocaml/$_pkgname"
+
+	mkdir -p "$subpkgdir"/$sitelib
+
+	cd "$pkgdir"/$sitelib
+	mv *.cmx *.cmxa *.mli "$subpkgdir"/$sitelib/
+}
+
+sha512sums="f5c76346dfb365d128625538e76d8bbf0a3901cf25f437763105f32ffdbd0fcf2a8748253c694840de4978fb5c758fc709fcb00606278fb2683bed2c7af35c4c  ocaml-wtf8-1.0.1.tar.gz"