update dependencies

package.json

@@ -8,6 +8,7 @@
     "classnames": "^2.2.6",
     "d3": "^4.13.0",
     "deep-equal": "^1.0.1",
+    "ethers": "^4.0.27",
     "fuse": "^0.4.0",
     "i18next": "^13.0.1",
     "i18next-browser-languagedetector": "^2.2.4",
@@ -16,16 +17,16 @@
     "node-sass": "^4.9.3",
     "npm": "^6.0.0",
     "prop-types": "^15.6.2",
-    "react": "^16.2.0",
+    "react": "^16.8.6",
     "react-cookies": "^0.1.0",
-    "react-dom": "^16.2.0",
+    "react-dom": "^16.8.6",
     "react-ga": "^2.5.3",
     "react-helmet": "^5.2.0",
     "react-i18next": "^8.4.0",
     "react-redux": "^5.0.7",
     "react-responsive": "^5.0.0",
     "react-router-dom": "^4.3.1",
-    "react-scripts": "2.0.4",
+    "react-scripts": "^2.1.8",
     "react-scroll-to-component": "^1.0.2",
     "react-select": "^1.2.1",
     "react-transition-group": "1.x",
@@ -33,7 +34,7 @@
     "redux-subscriber": "^1.1.0",
     "redux-thunk": "^2.2.0",
     "ua-parser-js": "^0.7.18",
-    "web3": "^1.0.0-beta.36"
+    "web3": "1.0.0-beta.52"
   },
   "scripts": {
     "start": "react-scripts start",