diff --git a/package-lock.json b/package-lock.json
index bcb28ec..e8a6d51 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -79,12 +79,9 @@
       "integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU="
     },
     "async": {
-      "version": "2.6.3",
-      "resolved": "https://registry.npmjs.org/async/-/async-2.6.3.tgz",
-      "integrity": "sha512-zflvls11DCy+dQWzTW2dzuilv8Z5X/pjfmZOWba6TNIVDm+2UDaJmXSOXlasHKfNBs8oo3M0aT50fDEWfKZjXg==",
-      "requires": {
-        "lodash": "^4.17.14"
-      }
+      "version": "3.2.2",
+      "resolved": "https://registry.npmjs.org/async/-/async-3.2.2.tgz",
+      "integrity": "sha512-H0E+qZaDEfx/FY4t7iLRv1W2fFI6+pyCeTw1uN20AQPiwqwM6ojPxHxdLv4z8hi2DtnW9BOckSspLucW7pIE5g=="
     },
     "async-limiter": {
       "version": "1.0.1",
diff --git a/package.json b/package.json
index 94f969c..9e20c64 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,7 @@
   },
   "license": "MIT",
   "dependencies": {
-    "async": "^2.6.1",
+    "async": "^3.2.2",
     "express": "^4.16.3",
     "http": "0.0.0",
     "node-schedule": "^1.3.0",