diff --git a/testing/py3-sphinxcontrib-mermaid/APKBUILD b/testing/py3-sphinxcontrib-mermaid/APKBUILD
new file mode 100644
index 00000000000..c0d16553659
--- /dev/null
+++ b/testing/py3-sphinxcontrib-mermaid/APKBUILD
@@ -0,0 +1,48 @@
+# Maintainer: Marian Buschsieweke <marian.buschsieweke@posteo.net>
+pkgname=py3-sphinxcontrib-mermaid
+_pkgname=sphinxcontrib-mermaid
+pkgver=1.0.0
+pkgrel=0
+pkgdesc="Mermaid diagrams in yours sphinx powered docs"
+url="https://github.com/mgaitan/sphinxcontrib-mermaid"
+arch="noarch"
+license="BSD-2-Clause"
+depends="
+	py3-sphinx
+	py3-yaml
+	"
+makedepends="
+	py3-setuptools
+	py3-gpep517
+	py3-wheel
+	"
+checkdepends="
+	py3-defusedxml
+	py3-myst-parser
+	py3-pytest
+	ruff
+	"
+subpackages="$pkgname-pyc"
+source="$pkgname-$pkgver.tar.gz::https://github.com/mgaitan/sphinxcontrib-mermaid/archive/refs/tags/$pkgver.tar.gz"
+builddir="$srcdir"/$_pkgname-$pkgver
+
+build() {
+	gpep517 build-wheel \
+		--wheel-dir .dist \
+		--output-fd 3 3>&1 >&2
+}
+
+check() {
+	python3 -m venv --clear --without-pip --system-site-packages .testenv
+	.testenv/bin/python3 -m installer .dist/*.whl
+	.testenv/bin/python3 -m pytest
+}
+
+package() {
+	gpep517 install-wheel --destdir "$pkgdir" \
+		.dist/*.whl
+}
+
+sha512sums="
+f19f21aba74e4bb192d2be6b216b711d7ee6fd2393354451146aacb41ded5323fbc9bc8a58b75e5dfe6e102746dba1e1419d166cca15f6d4c33f6ab9940a269c  py3-sphinxcontrib-mermaid-1.0.0.tar.gz
+"