diff --git a/tutorials/web/mdn/server-side_programming/express/express_locallibrary_tutorial/package-lock.json b/tutorials/web/mdn/server-side_programming/express/express_locallibrary_tutorial/package-lock.json
index 42ef16e..fd8bf1c 100644
--- a/tutorials/web/mdn/server-side_programming/express/express_locallibrary_tutorial/package-lock.json
+++ b/tutorials/web/mdn/server-side_programming/express/express_locallibrary_tutorial/package-lock.json
@@ -112,9 +112,9 @@
       "integrity": "sha1-5QNHYR1+aQlDIIu9r+vLwvuGbUY="
     },
     "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=="
     },
     "babel-runtime": {
       "version": "6.26.0",
diff --git a/tutorials/web/mdn/server-side_programming/express/express_locallibrary_tutorial/package.json b/tutorials/web/mdn/server-side_programming/express/express_locallibrary_tutorial/package.json
index a60bc0d..fce9964 100644
--- a/tutorials/web/mdn/server-side_programming/express/express_locallibrary_tutorial/package.json
+++ b/tutorials/web/mdn/server-side_programming/express/express_locallibrary_tutorial/package.json
@@ -8,7 +8,7 @@
         "serverstart": "DEBUG=express_locallibrary_tutorial:* npm run devstart"
     },
     "dependencies": {
-        "async": "^3.1.0",
+        "async": "^3.2.2",
         "cookie-parser": "~1.4.4",
         "debug": "~2.6.9",
         "express": "~4.16.1",