diff --git a/test/authplain.ts b/test/authplain.ts
index e09aa82..0dc785c 100644
--- a/test/authplain.ts
+++ b/test/authplain.ts
@@ -24,7 +24,7 @@ const send = (
 	done: () => void
 ) => {
 	server.onData = (stream: Readable, _session, callback: () => void) => {
-		mailparser.simpleParser(stream).then(verify).then(done).catch(done);
+		mailparser.simpleParser(stream).then(verify).finally(done);
 		stream.on('end', callback);
 	};
 	client.send(message, (err) => {
diff --git a/test/authssl.ts b/test/authssl.ts
index 5db8c1b..642c638 100644
--- a/test/authssl.ts
+++ b/test/authssl.ts
@@ -24,7 +24,7 @@ const send = (
 	done: () => void
 ) => {
 	server.onData = (stream: Readable, _session, callback: () => void) => {
-		mailparser.simpleParser(stream).then(verify).then(done).catch(done);
+		mailparser.simpleParser(stream).then(verify).finally(done);
 		stream.on('end', callback);
 	};
 	client.send(message, (err) => {
diff --git a/test/message.ts b/test/message.ts
index db83d0f..1e3ec87 100644
--- a/test/message.ts
+++ b/test/message.ts
@@ -29,8 +29,7 @@ const send = (
 		mailparser
 			.simpleParser(stream, { skipTextLinks: true } as Record<string, unknown>)
 			.then(verify)
-			.then(done)
-			.catch(done);
+			.finally(done);
 		stream.on('end', callback);
 	};
 	client.send(message, (err) => {