diff --git a/package.json b/package.json
index 9c73953..4a861a1 100644
--- a/package.json
+++ b/package.json
@@ -43,7 +43,7 @@
     "semantic-release": "^23.0.0",
     "sinon": "^17.0.0",
     "typescript": "~5.3.0",
-    "xo": "^0.56.0"
+    "xo": "^0.58.0"
   },
   "files": [
     "build/src"
diff --git a/src/index.ts b/src/index.ts
index a42662f..d91ec1d 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -89,7 +89,7 @@ export type RaxConfig = {
  * @returns The id of the interceptor attached to the axios instance.
  */
 export function attach(instance?: AxiosInstance) {
-	instance = instance || axios;
+	instance ||= axios;
 	return instance.interceptors.response.use(
 		onFulfilled,
 		async (error: AxiosError) => onError(instance!, error),
@@ -102,7 +102,7 @@ export function attach(instance?: AxiosInstance) {
  * @param instance The axios instance using this interceptor.
  */
 export function detach(interceptorId: number, instance?: AxiosInstance) {
-	instance = instance || axios;
+	instance ||= axios;
 	instance.interceptors.response.eject(interceptorId);
 }
 
@@ -175,12 +175,12 @@ async function onError(instance: AxiosInstance, error: AxiosError) {
 	}
 
 	const config = getConfig(error) || {};
-	config.currentRetryAttempt = config.currentRetryAttempt || 0;
+	config.currentRetryAttempt ||= 0;
 	config.retry = typeof config.retry === 'number' ? config.retry : 3;
 	config.retryDelay =
 		typeof config.retryDelay === 'number' ? config.retryDelay : 100;
-	config.instance = config.instance || instance;
-	config.backoffType = config.backoffType || 'exponential';
+	config.instance ||= instance;
+	config.backoffType ||= 'exponential';
 	config.httpMethodsToRetry = normalizeArray(config.httpMethodsToRetry) || [
 		'GET',
 		'HEAD',
@@ -221,8 +221,8 @@ async function onError(instance: AxiosInstance, error: AxiosError) {
 	(axiosError.config as RaxConfig).raxConfig = {...config};
 
 	// Determine if we should retry the request
-	const shouldRetryFn = config.shouldRetry || shouldRetryRequest;
-	if (!shouldRetryFn(axiosError)) {
+	const shouldRetryFunction = config.shouldRetry || shouldRetryRequest;
+	if (!shouldRetryFunction(axiosError)) {
 		throw axiosError;
 	}
 
@@ -345,7 +345,7 @@ export function shouldRetryRequest(error: AxiosError) {
 	}
 
 	// If we are out of retry attempts, return
-	config.currentRetryAttempt = config.currentRetryAttempt || 0;
+	config.currentRetryAttempt ||= 0;
 	if (config.currentRetryAttempt >= config.retry!) {
 		return false;
 	}
diff --git a/test/index.ts b/test/index.ts
index f9b32f3..8467fe5 100644
--- a/test/index.ts
+++ b/test/index.ts
@@ -324,8 +324,8 @@ describe('retry-axios', () => {
 		ax.defaults.raxConfig = {
 			retry: 3,
 			instance: ax,
-			onRetryAttempt(evt) {
-				console.log(`attempt #${evt.config!.raxConfig?.currentRetryAttempt}`);
+			onRetryAttempt(event) {
+				console.log(`attempt #${event.config!.raxConfig?.currentRetryAttempt}`);
 			},
 		};
 		interceptorId = rax.attach(ax);
@@ -534,15 +534,15 @@ describe('retry-axios', () => {
 		interceptorId = rax.attach();
 		try {
 			// eslint-disable-next-line import/no-named-as-default-member
-			const src = axios.CancelToken.source();
+			const source = axios.CancelToken.source();
 			const cfg: rax.RaxConfig = {
 				url,
 				raxConfig: {retry: 2},
-				cancelToken: src.token,
+				cancelToken: source.token,
 			};
 			const request = axios(cfg);
 			setTimeout(() => {
-				src.cancel();
+				source.cancel();
 			}, 10);
 			await request;
 			throw new Error('The canceled request completed.');