diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..936e5c5
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+/node_modules/
+/package-lock.json
diff --git a/package.json b/package.json
index a11e146..310bf68 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "wysiwyg-e",
-  "version": "3.0.2",
+  "version": "3.0.3",
   "main": "wysiwyg-e.js",
   "license": "MIT",
   "dependencies": {
@@ -21,6 +21,7 @@
     "@polymer/paper-toggle-button": "^3.0.0-pre.19",
     "@polymer/paper-tooltip": "^3.0.0-pre.19",
     "@polymer/polymer": "^3.0.2",
+    "@webcomponents/webcomponentsjs": "^2.0.0",
     "web-animations-js": "https://github.com/web-animations/web-animations-js.git#2.3.1"
   }
-}
\ No newline at end of file
+}