diff --git a/CHANGELOG.md b/CHANGELOG.md
index a3acd0e..c54fd4f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+## 0.2.1 (March 7, 2016)
+
+#### First published version
+
+
 ## 0.2.0 (February 25, 2016)
 
 #### Changes
diff --git a/lib/MaskedField.js b/lib/MaskedField.js
index 323ea56..3b89f78 100644
--- a/lib/MaskedField.js
+++ b/lib/MaskedField.js
@@ -225,7 +225,7 @@ var MaskedField = _react2.default.createClass({
         end = this._nextNonMaskIdx(start);
       }
 
-      var value = undefined;
+      var value = void 0;
       var pattern = this._getPattern(start);
       if (pattern && pattern.test(this._buffer[end])) {
         value = this._maskedValue(this.state.value.substring(end), start);
diff --git a/lib/SelectionUtils.js b/lib/SelectionUtils.js
index 882f9cc..0d1c235 100644
--- a/lib/SelectionUtils.js
+++ b/lib/SelectionUtils.js
@@ -6,8 +6,8 @@ Object.defineProperty(exports, "__esModule", {
 exports.getSelection = getSelection;
 exports.setSelection = setSelection;
 function getSelection(node) {
-  var start = undefined;
-  var end = undefined;
+  var start = void 0;
+  var end = void 0;
   if (node.setSelectionRange) {
     start = node.selectionStart;
     end = node.selectionEnd;
diff --git a/package.json b/package.json
index b948961..4ceb99a 100644
--- a/package.json
+++ b/package.json
@@ -1,19 +1,31 @@
 {
   "name": "react-masked-field",
   "description": "A masked field component built in React",
-  "version": "0.2.0",
+  "version": "0.2.1",
   "license": "MIT",
   "repository": {
     "type": "git",
     "url": "https://github.com/ZenPayroll/react-masked-field.git"
   },
+  "bugs": {
+    "url": "https://github.com/Gusto/react-masked-field/issues"
+  },
   "main": "lib/MaskedField.js",
   "files": [
-    "demo/",
-    "lib/"
+    "LICENSE",
+    "README.md",
+    "CHANGELOG.md",
+    "lib"
+  ],
+  "keywords": [
+    "react",
+    "react-component",
+    "mask",
+    "masked-field",
+    "masked-input"
   ],
   "peerDependencies": {
-    "react": ">=0.13.3"
+    "react": ">=0.13.0"
   },
   "devDependencies": {
     "babel-cli": "^6.5.1",