diff --git a/ava.config.js b/ava.config.js
new file mode 100644
index 00000000..395381ec
--- /dev/null
+++ b/ava.config.js
@@ -0,0 +1,5 @@
+export default {
+  files: ['./**/*.spec.js'],
+  require: ['esm'],
+  verbose: true
+};
diff --git a/package.json b/package.json
index bd7065cd..79aef003 100644
--- a/package.json
+++ b/package.json
@@ -13,7 +13,7 @@
     "lint:js": "eslint \"11ty/**/*.js\"",
     "serve": "concurrently \"npm run serve:site\" \"npm run watch:css\"",
     "serve:site": "eleventy --serve",
-    "test": "echo \"Error: no test specified\" && exit 1",
+    "test": "ava",
     "watch": "eleventy --watch",
     "watch:css": "parcel watch assets/css/base.scss --out-dir dist/assets/css/"
   },
@@ -40,6 +40,7 @@
     "prism-themes": "^1.3.0"
   },
   "devDependencies": {
+    "ava": "^3.3.0",
     "concurrently": "^5.0.0",
     "eslint": "^6.8.0",
     "eslint-config-prettier": "^6.10.0",