diff --git a/casa-account-v2/package-lock.json b/casa-account-v2/package-lock.json
index 620f9e2..9c3f5ac 100644
--- a/casa-account-v2/package-lock.json
+++ b/casa-account-v2/package-lock.json
@@ -494,9 +494,12 @@
       }
     },
     "async": {
-      "version": "1.5.2",
-      "resolved": "https://registry.npmjs.org/async/-/async-1.5.2.tgz",
-      "integrity": "sha1-7GphrlZIDAw8skHJVhjiCJL5Zyo="
+      "version": "2.6.4",
+      "resolved": "https://registry.npmjs.org/async/-/async-2.6.4.tgz",
+      "integrity": "sha512-mzo5dfJYwAn29PeiJ0zvwTo04zj8HDJj0Mn8TD7sno7q12prdbnasKJHhkm2c1LgrhlJ0teaea8860oxi51mGA==",
+      "requires": {
+        "lodash": "^4.17.14"
+      }
     },
     "async-listener": {
       "version": "0.6.10",
diff --git a/casa-account-v2/package.json b/casa-account-v2/package.json
index eeabca4..e18b004 100644
--- a/casa-account-v2/package.json
+++ b/casa-account-v2/package.json
@@ -5,7 +5,7 @@
   "license": "UNLICENSED",
   "dependencies": {
     "@grpc/proto-loader": "^0.5.4",
-    "async": "^1.5.2",
+    "async": "^2.6.4",
     "google-protobuf": "^3.11.0",
     "grpc": "^1.24.2",
     "grpc-health-check": "^1.7.0",