Update package.json

Author: ghzhost

package.json

@@ -3,8 +3,8 @@
   "version": "1.0.0",
   "description": "Serverless API to take screenshots of websites with Puppeteer.",
   "dependencies": {
-    "chrome-aws-lambda": "5.2.1",
-    "puppeteer-core": "5.2.1",
+    "chrome-aws-lambda": "^5.2.1",
+    "puppeteer-core": "^5.2.1",
     "express": "^4.17.1"
   },
   "devDependencies": {