diff --git a/package-lock.json b/package-lock.json
index 0d2acda..5654005 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -787,6 +787,12 @@
       "integrity": "sha1-IZMqVJ9eUv/ZqCf1cOBL5iqX2lQ=",
       "dev": true
     },
+    "prettier": {
+      "version": "1.14.2",
+      "resolved": "https://registry.npmjs.org/prettier/-/prettier-1.14.2.tgz",
+      "integrity": "sha512-McHPg0n1pIke+A/4VcaS2en+pTNjy4xF+Uuq86u/5dyDO59/TtFZtQ708QIRkEZ3qwKz3GVkVa6mpxK/CpB8Rg==",
+      "dev": true
+    },
     "progress": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/progress/-/progress-2.0.0.tgz",
diff --git a/package.json b/package.json
index 186151f..5510ef9 100644
--- a/package.json
+++ b/package.json
@@ -4,12 +4,14 @@
   "description": "",
   "main": "index.js",
   "scripts": {
-    "lint": "eslint src"
+    "lint": "eslint src",
+    "format": "prettier --write \"**/*.+(js|jsx|json|yml|yaml|css|less|scss|ts|tsx|md|graphql|mdx)\""
   },
   "keywords": [],
   "author": "Kent C. Dodds <kent@doddsfamily.us> (http://kentcdodds.com/)",
   "license": "MIT",
   "devDependencies": {
-    "eslint": "^5.5.0"
+    "eslint": "^5.5.0",
+    "prettier": "^1.14.2"
   }
-}
\ No newline at end of file
+}
diff --git a/src/example.js b/src/example.js
index 71d78ca..0bfcf23 100644
--- a/src/example.js
+++ b/src/example.js
@@ -1,11 +1,11 @@
-const name = 'Freddy'
-typeof name === 'string'
+const name = "Freddy";
+typeof name === "string";
 
-if (!('serviceWorker' in navigator)) {
+if (!("serviceWorker" in navigator)) {
   // you have an old browser :-(
 }
 
-const greeting = 'hello'
-console.log(`${greeting} world!`)
+const greeting = "hello";
+console.log(`${greeting} world!`);
 
-;[(1, 2, 3)].forEach(x => console.log(x))
+[(1, 2, 3)].forEach(x => console.log(x));