diff --git a/package.json b/package.json
index 0bf89104..567bbb8b 100644
--- a/package.json
+++ b/package.json
@@ -25,7 +25,7 @@
     "dev": "rollup --config --watch",
     "lint": "eslint src/ test/",
     "fix-lint": "eslint src/ test/ --fix",
-    "test": "mocha out/test/*.test.{js,cjs,mjs} --timeout 15000"
+    "test": "mocha out/test/*.test.{js,cjs,mjs} --parallel"
   },
   "repository": {
     "type": "git",
diff --git a/test/clientOptions.test.ts b/test/clientOptions.test.ts
index 2bf146f1..0b970d93 100644
--- a/test/clientOptions.test.ts
+++ b/test/clientOptions.test.ts
@@ -27,6 +27,8 @@ class HttpRequestCountPolicy {
 }
 
 describe("custom client options", function () {
+    this.timeout(15000);
+
     const fakeEndpoint = "https://azure.azconfig.io";
     beforeEach(() => {
         // Thus here mock it to reply 500, in which case the retry mechanism works.
diff --git a/test/requestTracing.test.ts b/test/requestTracing.test.ts
index aaedae20..616c7588 100644
--- a/test/requestTracing.test.ts
+++ b/test/requestTracing.test.ts
@@ -22,6 +22,8 @@ class HttpRequestHeadersPolicy {
 }
 
 describe("request tracing", function () {
+    this.timeout(15000);
+
     const fakeEndpoint = "https://127.0.0.1"; // sufficient to test the request it sends out
     const headerPolicy = new HttpRequestHeadersPolicy();
     const position: "perCall" | "perRetry" = "perCall";