Update package.json

Author: jackton1

package.json

@@ -37,7 +37,7 @@
     "apollo-client": "2.6.8",
     "apollo-cache": "1.3.4",
     "react-dom": "16.12.0",
-    "lodash": "^4.17.19",
+    "lodash": "4.17.20",
     "mem": "4.3.0"
   },
   "dependencies": {