diff --git a/backend/package-lock.json b/backend/package-lock.json
index cdbe6c3..83ed2bb 100644
--- a/backend/package-lock.json
+++ b/backend/package-lock.json
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-      "resolved": "http://registry.npmjs.org/async/-/async-2.0.1.tgz",
-      "integrity": "sha1-twnMAoCpw28J9FNr6CPIOKkEniU=",
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           "version": "0.2.10",
-          "resolved": "http://registry.npmjs.org/async/-/async-0.2.10.tgz",
+          "resolved": "https://registry.npmjs.org/async/-/async-0.2.10.tgz",
           "integrity": "sha1-trvgsGdLnXGXCMo43owjfLUmw9E="
         },
         "pkginfo": {
diff --git a/backend/package.json b/backend/package.json
index 6818437..e4d2699 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -6,7 +6,7 @@
   "keywords": [],
   "dependencies": {
     "@sailshq/lodash": "^3.10.3",
-    "async": "2.0.1",
+    "async": "2.6.4",
     "cheerio": "^1.0.0-rc.2",
     "google-trends-api": "^4.7.0",
     "paypal-rest-sdk": "^1.8.1",