diff --git a/express-locallibrary-tutorial/package-lock.json b/express-locallibrary-tutorial/package-lock.json
index 678d7e0..bceb2d1 100644
--- a/express-locallibrary-tutorial/package-lock.json
+++ b/express-locallibrary-tutorial/package-lock.json
@@ -148,9 +148,9 @@
       "dev": true
     },
     "async": {
-      "version": "3.1.0",
-      "resolved": "https://registry.npmjs.org/async/-/async-3.1.0.tgz",
-      "integrity": "sha512-4vx/aaY6j/j3Lw3fbCHNWP0pPaTCew3F6F3hYyl/tHs/ndmV1q7NW9T5yuJ2XAGwdQrP+6Wu20x06U4APo/iQQ=="
+      "version": "3.2.2",
+      "resolved": "https://registry.npmjs.org/async/-/async-3.2.2.tgz",
+      "integrity": "sha512-H0E+qZaDEfx/FY4t7iLRv1W2fFI6+pyCeTw1uN20AQPiwqwM6ojPxHxdLv4z8hi2DtnW9BOckSspLucW7pIE5g=="
     },
     "async-each": {
       "version": "1.0.3",
diff --git a/express-locallibrary-tutorial/package.json b/express-locallibrary-tutorial/package.json
index 036c221..e0c1acc 100644
--- a/express-locallibrary-tutorial/package.json
+++ b/express-locallibrary-tutorial/package.json
@@ -7,7 +7,7 @@
     "devstart": "nodemon ./bin/www"
   },
   "dependencies": {
-    "async": "^3.1.0",
+    "async": "^3.2.2",
     "cookie-parser": "~1.4.4",
     "debug": "~2.6.9",
     "express": "~4.16.1",