Updated devDependencies

package.json

@@ -1,6 +1,6 @@
 {
   "name": "simple-keyboard",
-  "version": "2.11.8",
+  "version": "2.11.9",
   "description": "On-screen Javascript Virtual Keyboard",
   "main": "build/index.js",
   "types": "build/index.d.ts",
@@ -39,9 +39,9 @@
   ],
   "license": "MIT",
   "devDependencies": {
-    "@babel/core": "7.1.6",
-    "@babel/plugin-proposal-class-properties": "^7.1.0",
-    "@babel/preset-env": "^7.1.6",
+    "@babel/core": "7.2.0",
+    "@babel/plugin-proposal-class-properties": "^7.2.1",
+    "@babel/preset-env": "^7.2.0",
     "@babel/preset-react": "^7.0.0",
     "@svgr/webpack": "4.1.0",
     "babel-core": "7.0.0-bridge.0",
@@ -54,8 +54,8 @@
     "case-sensitive-paths-webpack-plugin": "2.1.2",
     "chalk": "2.4.1",
     "copy-webpack-plugin": "^4.6.0",
-    "css-loader": "1.0.1",
-    "dotenv": "6.1.0",
+    "css-loader": "2.0.0",
+    "dotenv": "6.2.0",
     "dotenv-expand": "4.2.0",
     "esdoc": "^1.1.0",
     "esdoc-ecmascript-proposal-plugin": "^1.0.0",
@@ -75,9 +75,9 @@
     "jest": "23.6.0",
     "jest-pnp-resolver": "1.0.2",
     "jest-resolve": "23.6.0",
-    "mini-css-extract-plugin": "0.4.4",
+    "mini-css-extract-plugin": "0.5.0",
     "optimize-css-assets-webpack-plugin": "5.0.1",
-    "pnp-webpack-plugin": "1.2.0",
+    "pnp-webpack-plugin": "1.2.1",
     "postcss-flexbugs-fixes": "4.1.0",
     "postcss-loader": "3.0.0",
     "postcss-preset-env": "6.4.0",
@@ -85,13 +85,13 @@
     "react": "^16.6.3",
     "react-app-polyfill": "^0.1.3",
     "react-dev-utils": "^6.1.1",
-    "react-dom": "^16.6.1",
+    "react-dom": "^16.6.3",
     "resolve": "1.8.1",
     "sass-loader": "7.1.0",
     "style-loader": "0.23.1",
     "terser-webpack-plugin": "1.1.0",
     "url-loader": "1.1.2",
-    "webpack": "4.26.1",
+    "webpack": "4.27.1",
     "webpack-dev-server": "3.1.10",
     "webpack-manifest-plugin": "2.0.4",
     "workbox-webpack-plugin": "3.6.3"