diff --git a/web/package-lock.json b/web/package-lock.json
index 33f5730..2594e18 100644
--- a/web/package-lock.json
+++ b/web/package-lock.json
@@ -67,9 +67,9 @@
       "integrity": "sha1-5QNHYR1+aQlDIIu9r+vLwvuGbUY="
     },
     "async": {
-      "version": "1.5.2",
-      "resolved": "https://registry.npmjs.org/async/-/async-1.5.2.tgz",
-      "integrity": "sha1-7GphrlZIDAw8skHJVhjiCJL5Zyo="
+      "version": "3.2.2",
+      "resolved": "https://registry.npmjs.org/async/-/async-3.2.2.tgz",
+      "integrity": "sha512-H0E+qZaDEfx/FY4t7iLRv1W2fFI6+pyCeTw1uN20AQPiwqwM6ojPxHxdLv4z8hi2DtnW9BOckSspLucW7pIE5g=="
     },
     "babel-runtime": {
       "version": "6.26.0",
diff --git a/web/package.json b/web/package.json
index 1112e14..dcaeff6 100644
--- a/web/package.json
+++ b/web/package.json
@@ -14,7 +14,7 @@
     "start": "node ./bin/www"
   },
   "dependencies": {
-    "async": "^1.4.0",
+    "async": "^3.2.2",
     "body-parser": "^1.18.3",
     "connect-ensure-login": "^0.1.1",
     "connect-flash": "^0.1.1",