diff --git a/examples/countdown/package-lock.json b/examples/countdown/package-lock.json
index ab2232683..a411ee67c 100644
--- a/examples/countdown/package-lock.json
+++ b/examples/countdown/package-lock.json
@@ -3747,11 +3747,6 @@
                     "bundled": true,
                     "optional": true
                 },
-                "semver": {
-                    "version": "5.6.0",
-                    "bundled": true,
-                    "optional": true
-                },
                 "set-blocking": {
                     "version": "2.0.0",
                     "bundled": true,
@@ -8088,9 +8083,9 @@
             }
         },
         "semver": {
-            "version": "5.5.0",
-            "resolved": "https://registry.npmjs.org/semver/-/semver-5.5.0.tgz",
-            "integrity": "sha512-4SJ3dm0WAwWy/NVeioZh5AntkdJoWKxHxcmyP622fOkgHa4z3R0TdBJICINyaSDE6uNwVc8gZr+ZinwZAH4xIA=="
+            "version": "5.7.2",
+            "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.2.tgz",
+            "integrity": "sha512-cBznnQ9KjJqU67B52RMC65CMarK2600WFnbkcaiwWq3xy/5haFJlshgnpjovMVJ+Hff49d8GEn0b87C5pDQ10g=="
         },
         "send": {
             "version": "0.16.2",