diff --git a/package-lock.json b/package-lock.json
index 00da1f6..44f3ea8 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -148,9 +148,12 @@
       "integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU="
     },
     "async": {
-      "version": "0.9.2",
-      "resolved": "https://registry.npmjs.org/async/-/async-0.9.2.tgz",
-      "integrity": "sha1-rqdNXmHB+JlhO/ZL2mbUx48v0X0="
+      "version": "2.6.4",
+      "resolved": "https://registry.npmjs.org/async/-/async-2.6.4.tgz",
+      "integrity": "sha512-mzo5dfJYwAn29PeiJ0zvwTo04zj8HDJj0Mn8TD7sno7q12prdbnasKJHhkm2c1LgrhlJ0teaea8860oxi51mGA==",
+      "requires": {
+        "lodash": "^4.17.14"
+      }
     },
     "async-limiter": {
       "version": "1.0.1",
@@ -1423,18 +1426,6 @@
         "clone": "2.x"
       }
     },
-    "node-easy-cert": {
-      "version": "1.3.2",
-      "resolved": "https://registry.npmjs.org/node-easy-cert/-/node-easy-cert-1.3.2.tgz",
-      "integrity": "sha512-xS9qs8Lj/kxv14Z/jDpj7e4BXeLPgHhObZmsPQiR3QIGOq1gfJYXUUB6Ck9K/6ZuOin+O5TK6Mcue+afEi0LyQ==",
-      "requires": {
-        "async-task-mgr": "^1.1.0",
-        "colorful": "^2.1.0",
-        "commander": "^2.9.0",
-        "node-forge": "^0.6.42",
-        "node-powershell": "^3.3.1"
-      }
-    },
     "node-forge": {
       "version": "0.6.49",
       "resolved": "https://registry.npmjs.org/node-forge/-/node-forge-0.6.49.tgz",
diff --git a/package.json b/package.json
index 63d5aee..e015c59 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,7 @@
   "author": "",
   "license": "ISC",
   "dependencies": {
-    "async": "~0.9.0",
+    "async": "~2.6.4",
     "async-task-mgr": ">=1.1.0",
     "bcrypt": "^4.0.1",
     "body-parser": "^1.19.0",