diff --git a/CHANGELOG.md b/CHANGELOG.md
index 93633c7f..fb7e694e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,11 @@
+v3.4.2 - Thu, 19 Apr 2018 09:16:47 UTC
+--------------------------------------
+
+- [529ca33](../../commit/529ca33) Add `testId` prop for use as a test hook
+- [e294dc7](../../commit/e294dc7) [added] Add module field to package json
+- [d8fe0dd](../../commit/d8fe0dd) Added default prop for defaultStyles property
+
+
 v3.4.1 - Tue, 17 Apr 2018 09:49:06 UTC
 --------------------------------------
 
diff --git a/bower.json b/bower.json
index 5705c97c..07799abd 100644
--- a/bower.json
+++ b/bower.json
@@ -1,6 +1,6 @@
 {
   "name": "react-modal",
-  "version": "3.4.1",
+  "version": "3.4.2",
   "homepage": "https://github.com/reactjs/react-modal",
   "authors": [
     "Ryan Florence",
diff --git a/dist/react-modal.js b/dist/react-modal.js
index e2c33f35..e24b6275 100644
--- a/dist/react-modal.js
+++ b/dist/react-modal.js
@@ -1885,7 +1885,9 @@ var ModalPortal = function (_Component) {
             onClick: this.handleContentOnClick,
             role: this.props.role,
             "aria-label": this.props.contentLabel
-          }, this.ariaAttributes(this.props.aria || {})),
+          }, this.ariaAttributes(this.props.aria || {}), {
+            "data-testid": this.props.testId
+          }),
           this.props.children
         )
       );
@@ -1899,7 +1901,8 @@ ModalPortal.defaultProps = {
   style: {
     overlay: {},
     content: {}
-  }
+  },
+  defaultStyles: {}
 };
 ModalPortal.propTypes = {
   isOpen: _propTypes2.default.bool.isRequired,
@@ -1929,7 +1932,8 @@ ModalPortal.propTypes = {
   children: _propTypes2.default.node,
   shouldCloseOnEsc: _propTypes2.default.bool,
   overlayRef: _propTypes2.default.func,
-  contentRef: _propTypes2.default.func
+  contentRef: _propTypes2.default.func,
+  testId: _propTypes2.default.string
 };
 exports.default = ModalPortal;
 module.exports = exports["default"];
diff --git a/dist/react-modal.min.js b/dist/react-modal.min.js
index 8d71c7c5..4a1a0269 100644
--- a/dist/react-modal.min.js
+++ b/dist/react-modal.min.js
@@ -9,12 +9,12 @@
  *
  * http://api.jqueryui.com/category/ui-core/
  */
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diff --git a/package.json b/package.json
index 984cb469..2b0d48df 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "react-modal",
-  "version": "3.4.1",
+  "version": "3.4.2",
   "description": "Accessible modal dialog component for React.JS",
   "main": "./lib/index.js",
   "module": "./src/index.js",