diff --git a/package-lock.json b/package-lock.json
index 360e908..06729d8 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -168,9 +168,12 @@
       "dev": true
     },
     "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"
+      }
     },
     "axon": {
       "version": "2.0.3",
@@ -1203,8 +1206,7 @@
     "lodash": {
       "version": "4.17.15",
       "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.15.tgz",
-      "integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A==",
-      "dev": true
+      "integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A=="
     },
     "log-symbols": {
       "version": "3.0.0",
diff --git a/package.json b/package.json
index 0098dd7..b769c98 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,7 @@
   },
   "license": "MIT",
   "dependencies": {
-    "async": "^1.5.0",
+    "async": "^2.6.4",
     "axon": "^2.0.2",
     "axon-rpc": "0.0.3",
     "http-proxy": "^1.11.2",