diff --git a/package-lock.json b/package-lock.json
index 0117dbb..824bd05 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -67,9 +67,9 @@
       "integrity": "sha1-5QNHYR1+aQlDIIu9r+vLwvuGbUY="
     },
     "async": {
-      "version": "1.5.0",
-      "resolved": "https://registry.npmjs.org/async/-/async-1.5.0.tgz",
-      "integrity": "sha1-J5ZkJyNXOFlWVjP8YnRES+4vjOM="
+      "version": "1.5.2",
+      "resolved": "https://registry.npmjs.org/async/-/async-1.5.2.tgz",
+      "integrity": "sha1-7GphrlZIDAw8skHJVhjiCJL5Zyo="
     },
     "async-each": {
       "version": "1.0.1",
diff --git a/package.json b/package.json
index 5b8173c..78e13b0 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,7 @@
   "license": "Apache-2.0",
   "dependencies": {
     "socket.io-client": "^2.0.3",
-    "async": "1.5.0",
+    "async": "1.5.2",
     "promise": "7.0.4",
     "serialport": "^5.0.0"
   },