diff --git a/.gitea/workflows/ci.yml b/.gitea/workflows/ci.yml
index a21b646..2b6d352 100644
--- a/.gitea/workflows/ci.yml
+++ b/.gitea/workflows/ci.yml
@@ -33,21 +33,30 @@ jobs:
 
       - name: Install system test dependencies
         run: |
-          apt-get update
-          apt-get install --yes --no-install-recommends sqlite3
-          rm -rf /var/lib/apt/lists/*
+          if command -v apt-get >/dev/null 2>&1; then
+            apt-get update
+            apt-get install --yes --no-install-recommends sqlite3
+            rm -rf /var/lib/apt/lists/*
+          elif command -v brew >/dev/null 2>&1; then
+            if ! command -v sqlite3 >/dev/null 2>&1; then
+              brew install sqlite
+            fi
+          fi
+          command -v sqlite3
 
       - name: Install locked dependencies
         run: |
           npm ci --include=optional
-          SHARP_ARM64_VERSION="$(node -p "require('./package-lock.json').packages['node_modules/@img/sharp-linux-arm64'].version")"
-          LIBVIPS_ARM64_VERSION="$(node -p "require('./package-lock.json').packages['node_modules/@img/sharp-libvips-linux-arm64'].version")"
-          if [[ ! -d node_modules/@img/sharp-linux-arm64 || ! -d node_modules/@img/sharp-libvips-linux-arm64 ]]; then
-            npm install --no-save --package-lock=false \
-              "@img/sharp-linux-arm64@${SHARP_ARM64_VERSION}" \
-              "@img/sharp-libvips-linux-arm64@${LIBVIPS_ARM64_VERSION}"
-          else
-            echo "Locked Sharp ARM64 optional packages are already installed"
+          if [[ "$(uname -s)" == "Linux" ]]; then
+            SHARP_ARM64_VERSION="$(node -p "require('./package-lock.json').packages['node_modules/@img/sharp-linux-arm64'].version")"
+            LIBVIPS_ARM64_VERSION="$(node -p "require('./package-lock.json').packages['node_modules/@img/sharp-libvips-linux-arm64'].version")"
+            if [[ ! -d node_modules/@img/sharp-linux-arm64 || ! -d node_modules/@img/sharp-libvips-linux-arm64 ]]; then
+              npm install --no-save --package-lock=false \
+                "@img/sharp-linux-arm64@${SHARP_ARM64_VERSION}" \
+                "@img/sharp-libvips-linux-arm64@${LIBVIPS_ARM64_VERSION}"
+            else
+              echo "Locked Sharp ARM64 optional packages are already installed"
+            fi
           fi
           node -e "import('sharp').then((sharp) => sharp.default({ create: { width: 1, height: 1, channels: 4, background: '#000' } }).png().toBuffer())"
 
diff --git a/page-data-acceptance.test.mjs b/page-data-acceptance.test.mjs
index 4d8699f..a46bba5 100644
--- a/page-data-acceptance.test.mjs
+++ b/page-data-acceptance.test.mjs
@@ -98,8 +98,17 @@ function buildApp(workspaceRoot, pool = createPool('public')) {
   return app;
 }
 
-async function request(app, method, url, { body, headers } = {}) {
+async function listenEphemeral(app) {
   const server = app.listen(0);
+  await new Promise((resolve, reject) => {
+    server.once('listening', resolve);
+    server.once('error', reject);
+  });
+  return server;
+}
+
+async function request(app, method, url, { body, headers } = {}) {
+  const server = await listenEphemeral(app);
   try {
     const { port } = server.address();
     const response = await fetch(`http://127.0.0.1:${port}${url}`, {