Add resolution

package.json

@@ -69,5 +69,8 @@
     "webpack": "^4.16.2",
     "webpack-bundle-tracker": "0.0.93",
     "webpack-livereload-plugin": "^2.1.1"
+  },
+  "resolutions": {
+    "sass": "1.22.7"
   }
 }