Removed defaultProps.

package.json

@@ -61,7 +61,7 @@
     "@storybook/addon-knobs": "^3.2.0",
     "@storybook/addon-options": "^3.2.4",
     "@storybook/react": "^3.2.4",
-    "babel-cli": "^6.8.0",
+    "babel-cli": "^6.10.4",
     "babel-core": "^6.10.4",
     "babel-jest": "^20.0.3",
     "babel-loader": "^6.2.1",
@@ -72,6 +72,7 @@
     "babel-register": "^6.5.2",
     "chai": "^3.3.0",
     "chai-spies": "^0.7.1",
+    "chalk": "^2.4.2",
     "css-loader": "^0.24.0",
     "enzyme": "2.8.2",
     "event-stream": "^3.3.1",
@@ -87,13 +88,13 @@
     "normalize.css": "^4.1.1",
     "npm": "^5.3.0",
     "object-assign": "^4.1.0",
-    "react": "^15.3.2",
-    "react-addons-test-utils": "^0.14.0 || ^15.0.0",
+    "react": "^15.5.4",
+    "react-addons-test-utils": "15.6.2",
     "react-context": "0.0.3",
-    "react-dom": "^0.14.0 || ^15.0.0",
+    "react-dom": "^15.5.4",
     "react-hot-loader": "^1.2.8",
     "react-mark": "0.0.4",
-    "react-test-renderer": "^15.3.2",
+    "react-test-renderer": "^15.5.4",
     "remarkable": "^1.6.0",
     "require-dir": "^0.3.0",
     "rimraf": "^2.5.0",
@@ -102,6 +103,9 @@
     "webpack": "^1.11.0",
     "webpack-dev-server": "^1.10.1"
   },
+  "overrides": {
+    "chalk": "^2.4.2"
+  },
   "files": [
     "lib",
     "es"