diff --git a/main_site/package-lock.json b/main_site/package-lock.json
index e4e7658..896544b 100644
--- a/main_site/package-lock.json
+++ b/main_site/package-lock.json
@@ -135,9 +135,9 @@
       "integrity": "sha1-sqRdpf36ILBJb8N2jMJ8EvqRan0="
     },
     "async": {
-      "version": "3.2.0",
-      "resolved": "https://registry.npmjs.org/async/-/async-3.2.0.tgz",
-      "integrity": "sha1-s6JoXF67ZB094C0WEALGD8n4VyA="
+      "version": "3.2.2",
+      "resolved": "https://registry.npmjs.org/async/-/async-3.2.2.tgz",
+      "integrity": "sha512-H0E+qZaDEfx/FY4t7iLRv1W2fFI6+pyCeTw1uN20AQPiwqwM6ojPxHxdLv4z8hi2DtnW9BOckSspLucW7pIE5g=="
     },
     "balanced-match": {
       "version": "1.0.0",
diff --git a/main_site/package.json b/main_site/package.json
index a7abd72..12f2262 100644
--- a/main_site/package.json
+++ b/main_site/package.json
@@ -8,7 +8,7 @@
     "begin": "DEBUG=express-locallibrary-tutorial:* npm run devstart"
   },
   "dependencies": {
-    "async": "^3.2.0",
+    "async": "^3.2.2",
     "config": "^3.3.1",
     "cookie-parser": "~1.4.4",
     "cookie-session": "^1.4.0",