diff --git a/chapter13/package-lock.json b/chapter13/package-lock.json
index 971c64d..7265595 100644
--- a/chapter13/package-lock.json
+++ b/chapter13/package-lock.json
@@ -664,9 +664,9 @@
       }
     },
     "moment": {
-      "version": "2.22.2",
-      "resolved": "https://registry.npmjs.org/moment/-/moment-2.22.2.tgz",
-      "integrity": "sha1-PCV/mDn8DpP/UxSWMiOeuQeD/2Y="
+      "version": "2.29.4",
+      "resolved": "https://registry.npmjs.org/moment/-/moment-2.29.4.tgz",
+      "integrity": "sha512-5LC9SOxjSc2HF6vO2CyuTDNivEdoz2IvyJJGj6X8DJ0eFyfszE0QiEd+iXmBvUP3WHxSjFH/vIsA0EN00cgr8w=="
     },
     "ms": {
       "version": "2.1.1",
diff --git a/chapter13/package.json b/chapter13/package.json
index 394853b..f6da47e 100644
--- a/chapter13/package.json
+++ b/chapter13/package.json
@@ -2,7 +2,7 @@
   "dependencies": {
     "aws-sdk": "2.369.0",
     "docopt": "0.6.2",
-    "moment": "2.22.2"
+    "moment": "2.29.4"
   },
   "devDependencies": {
     "eslint": "5.9.0"