diff --git a/test/client.ts b/test/client.ts
index b2eeedc..da13c1e 100644
--- a/test/client.ts
+++ b/test/client.ts
@@ -52,6 +52,9 @@ async function send(headers: Partial<MessageHeaders>) {
 test.before(async (t) => {
 	server.listen(port, t.pass);
 });
+test.after(async (t) => {
+	server.close(t.pass);
+});
 
 test('client invokes callback exactly once for invalid connection', async (t) => {
 	t.plan(1);
diff --git a/test/message.ts b/test/message.ts
index 8e9ba70..531fe79 100644
--- a/test/message.ts
+++ b/test/message.ts
@@ -79,6 +79,9 @@ function validate(headers: Partial<MessageHeaders>) {
 test.before(async (t) => {
 	server.listen(port, t.pass);
 });
+test.after(async (t) => {
+	server.close(t.pass);
+});
 
 test('simple text message', async (t) => {
 	const msg = {