remove carret from package version

Author: nutboltu

package.json

@@ -35,7 +35,7 @@
     "@babel/preset-react": "7.0.0",
     "@babel/runtime": "7.1.5",
     "babel-loader": "8.0.4",
-    "copy-webpack-plugin": "^4.6.0",
+    "copy-webpack-plugin": "4.6.0",
     "css-loader": "0.28.9",
     "eslint": "4.15.0",
     "eslint-config-airbnb": "16.1.0",
@@ -45,7 +45,7 @@
     "html-webpack-plugin": "3.2.0",
     "react-syntax-highlighter": "10.1.1",
     "style-loader": "0.19.1",
-    "terser-webpack-plugin": "^1.1.0",
+    "terser-webpack-plugin": "1.1.0",
     "webpack": "4.26.0",
     "webpack-cli": "3.1.2",
     "webpack-dev-server": "3.1.10"