Update babel and webpack plugins

package.json

@@ -49,10 +49,10 @@
     "prop-types": "^15.5.8"
   },
   "devDependencies": {
-    "@babel/cli": "~7.1.2",
-    "@babel/core": "~7.1.2",
-    "@babel/polyfill": "~7.0.0",
-    "@babel/preset-env": "~7.1.0",
+    "@babel/cli": "~7.2.3",
+    "@babel/core": "~7.2.2",
+    "@babel/polyfill": "~7.2.3",
+    "@babel/preset-env": "~7.2.3",
     "@babel/preset-react": "~7.0.0",
     "@babel/register": "~7.0.0",
     "@trendmicro/babel-config": "~1.0.0-alpha",
@@ -69,7 +69,7 @@
     "file-loader": "~3.0.1",
     "html-webpack-plugin": "~3.2.0",
     "http-server": "~0.11.1",
-    "mini-css-extract-plugin": "^0.5.0",
+    "mini-css-extract-plugin": "~0.5.0",
     "nib": "~1.1.2",
     "react": ">=16.3.0",
     "react-dom": ">=16.3.0",