diff --git a/.prettierrc.js b/.prettierrc.js
new file mode 100644
index 0000000..be9d540
--- /dev/null
+++ b/.prettierrc.js
@@ -0,0 +1,6 @@
+module.exports = {
+  semi: true,
+  tabWidth: 2,
+  singleQuote: true,
+  trailingComma: 'es5',
+};
diff --git a/package.json b/package.json
index f2b9074..9602053 100644
--- a/package.json
+++ b/package.json
@@ -5,5 +5,8 @@
   "author": "babangsund",
   "name": "cypress-keycloak",
   "description": "Cypress commands for Keycloak",
-  "repository": "https://github.com/babangsund/cypress-keycloak"
+  "repository": "https://github.com/babangsund/cypress-keycloak",
+  "devDependencies": {
+    "prettier": "^1.19.1"
+  }
 }
diff --git a/yarn.lock b/yarn.lock
new file mode 100644
index 0000000..6fc8414
--- /dev/null
+++ b/yarn.lock
@@ -0,0 +1,8 @@
+# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
+# yarn lockfile v1
+
+
+prettier@^1.19.1:
+  version "1.19.1"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.19.1.tgz#f7d7f5ff8a9cd872a7be4ca142095956a60797cb"
+  integrity sha512-s7PoyDv/II1ObgQunCbB9PdLmUcBZcnWOcxDh7O0N/UwDEsHyqkW+Qh28jW+mVuCdx7gLB0BotYI1Y6uI9iyew==