diff --git a/package-lock.json b/package-lock.json
index c1e4c66..fd83410 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -210,10 +210,13 @@
       "integrity": "sha1-kC0uDWDQcb3NRtwRXhgJ7RHBOKk="
     },
     "async": {
-      "version": "0.9.2",
-      "resolved": "https://registry.npmjs.org/async/-/async-0.9.2.tgz",
-      "integrity": "sha1-rqdNXmHB+JlhO/ZL2mbUx48v0X0=",
-      "dev": true
+      "version": "2.6.4",
+      "resolved": "https://registry.npmjs.org/async/-/async-2.6.4.tgz",
+      "integrity": "sha512-mzo5dfJYwAn29PeiJ0zvwTo04zj8HDJj0Mn8TD7sno7q12prdbnasKJHhkm2c1LgrhlJ0teaea8860oxi51mGA==",
+      "dev": true,
+      "requires": {
+        "lodash": "^4.17.14"
+      }
     },
     "async-cache": {
       "version": "1.1.0",
diff --git a/package.json b/package.json
index 0a96b85..fbf768e 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,7 @@
     "rtc-validator": "~1.2.3"
   },
   "devDependencies": {
-    "async": "^0.9",
+    "async": "^2.6",
     "attachmediastream": "^1.0.1",
     "broth": "^2.3.0",
     "browserify": "^16.2.2",