diff --git a/.mocharc.json b/.mocharc.json
new file mode 100644
index 00000000..bd81f375
--- /dev/null
+++ b/.mocharc.json
@@ -0,0 +1,5 @@
+{
+  "timeout": 10000,
+  "require": ["@babel/register", "dotenv/config", "./test/helpers/common.js"],
+  "recursive": true
+}
diff --git a/package-lock.json b/package-lock.json
index a1d1140d..cbab821e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -44,6 +44,7 @@
         "chai": "4.3.10",
         "chai-as-promised": "^7.1.1",
         "cross-env": "^7.0.3",
+        "dotenv": "^16.4.5",
         "eslint": "^8.40.0",
         "eslint-config-prettier": "^8.8.0",
         "eslint-import-resolver-webpack": "^0.13.2",
@@ -4166,6 +4167,18 @@
         "node": ">=6.0.0"
       }
     },
+    "node_modules/dotenv": {
+      "version": "16.4.5",
+      "resolved": "https://registry.npmjs.org/dotenv/-/dotenv-16.4.5.tgz",
+      "integrity": "sha512-ZmdL2rui+eB2YwhsWzjInR8LldtZHGDoQ1ugH85ppHKwpUHL7j7rN0Ti9NCnGiQbhaZ11FpR+7ao1dNsmduNUg==",
+      "dev": true,
+      "engines": {
+        "node": ">=12"
+      },
+      "funding": {
+        "url": "https://dotenvx.com"
+      }
+    },
     "node_modules/duplexer": {
       "version": "0.1.2",
       "dev": true,
diff --git a/package.json b/package.json
index 2fd9a270..42edd9ce 100644
--- a/package.json
+++ b/package.json
@@ -27,9 +27,9 @@
     "lint": "eslint --ext .js,.ts .",
     "lintFix": "eslint --ext .js,.ts --fix .",
     "prepublishOnly": "npm run clean && npm run build && npm run test && npm run lint && npm run formatCheck",
-    "repl": "./repl.js --local easypost.js",
+    "repl": "./repl.js --local ./dist/easypost.js",
     "scan": "npx audit-ci -m --config ./audit-ci.jsonc",
-    "test": "cross-env NODE_ENV=test mocha --timeout 10000 --require @babel/register --require ./test/helpers/common.js --recursive ./test",
+    "test": "cross-env NODE_ENV=test mocha",
     "watch": "webpack --config webpack.config.babel.js --watch"
   },
   "dependencies": {
@@ -65,6 +65,7 @@
     "chai": "4.3.10",
     "chai-as-promised": "^7.1.1",
     "cross-env": "^7.0.3",
+    "dotenv": "^16.4.5",
     "eslint": "^8.40.0",
     "eslint-config-prettier": "^8.8.0",
     "eslint-import-resolver-webpack": "^0.13.2",