diff --git a/package.json b/package.json
index 3765a62..7378494 100644
--- a/package.json
+++ b/package.json
@@ -44,13 +44,13 @@
 	],
 	"dependencies": {
 		"eventemitter3": "^4.0.7",
-		"p-timeout": "^5.0.0"
+		"p-timeout": "^5.0.2"
 	},
 	"devDependencies": {
 		"@sindresorhus/tsconfig": "^2.0.0",
 		"@types/benchmark": "^2.1.1",
-		"@types/node": "^16.7.2",
-		"ava": "^3.15.0",
+		"@types/node": "^17.0.13",
+		"ava": "^4.0.1",
 		"benchmark": "^2.1.4",
 		"codecov": "^3.8.3",
 		"del-cli": "^4.0.1",
@@ -59,8 +59,8 @@
 		"nyc": "^15.1.0",
 		"random-int": "^3.0.0",
 		"time-span": "^5.0.0",
-		"ts-node": "^10.2.1",
-		"typescript": "^4.4.2",
+		"ts-node": "^10.4.0",
+		"typescript": "^4.5.5",
 		"xo": "^0.44.0"
 	},
 	"ava": {
@@ -70,9 +70,6 @@
 		"extensions": {
 			"ts": "module"
 		},
-		"nonSemVerExperiments": {
-			"configurableModuleFormat": true
-		},
 		"nodeArguments": [
 			"--loader=ts-node/esm"
 		]
diff --git a/readme.md b/readme.md
index a5c72fd..2a75ea3 100644
--- a/readme.md
+++ b/readme.md
@@ -133,6 +133,8 @@ Priority of operation. Operations with greater priority will be scheduled first.
 
 ##### signal
 
+*Requires Node.js 16 or later.*
+
 [`AbortSignal`](https://developer.mozilla.org/en-US/docs/Web/API/AbortSignal) for cancellation of the operation. When aborted, it will be removed from the queue and the `queue.add()` call will reject with an `AbortError`. If the operation is already running, the signal will need to be handled by the operation itself.
 
 ```js
diff --git a/test/test.ts b/test/test.ts
index 878e000..1aaa58d 100644
--- a/test/test.ts
+++ b/test/test.ts
@@ -1065,7 +1065,6 @@ test('should verify timeout overrides passed to add', async t => {
 
 test('should skip an aborted job', async t => {
 	const queue = new PQueue();
-
 	const controller = new AbortController();
 
 	controller.abort();
@@ -1077,10 +1076,9 @@ test('should skip an aborted job', async t => {
 
 test('should pass AbortSignal instance to job', async t => {
 	const queue = new PQueue();
-
 	const controller = new AbortController();
 
 	await queue.add(async ({signal}) => {
-		t.is(controller.signal, signal);
+		t.is(controller.signal, signal!);
 	}, {signal: controller.signal});
 });