diff --git a/example/package-lock.json b/example/package-lock.json
index 0f8f274..2abe182 100644
--- a/example/package-lock.json
+++ b/example/package-lock.json
@@ -86,11 +86,6 @@
       "resolved": "https://registry.npmjs.org/@types/node/-/node-10.17.3.tgz",
       "integrity": "sha512-QZ9CjUB3QoA3f2afw3utKlfRPhpmufB7jC2+oDhLWnXqoyx333fhKSQDLQu2EK7OE0a15X67eYiRAaJsHXrpMA=="
     },
-    "async-limiter": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/async-limiter/-/async-limiter-1.0.1.tgz",
-      "integrity": "sha512-csOlWGAcRFJaI6m+F2WKdnMKr4HhdhFVBk0H/QbJFMCr+uO2kwohwXQPxw/9OCxp05r5ghVBFSyioixx3gfkNQ=="
-    },
     "long": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/long/-/long-4.0.0.tgz",
@@ -117,12 +112,9 @@
       }
     },
     "ws": {
-      "version": "7.2.0",
-      "resolved": "https://registry.npmjs.org/ws/-/ws-7.2.0.tgz",
-      "integrity": "sha512-+SqNqFbwTm/0DC18KYzIsMTnEWpLwJsiasW/O17la4iDRRIO9uaHbvKiAS3AHgTiuuWerK/brj4O6MYZkei9xg==",
-      "requires": {
-        "async-limiter": "^1.0.0"
-      }
+      "version": "7.4.6",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-7.4.6.tgz",
+      "integrity": "sha512-YmhHDO4MzaDLB+M9ym/mDA5z0naX8j7SIlT8f8z+I0VtzsRbekxEutHSme7NPS2qE8StCYQNUnfWdXta/Yu85A=="
     }
   }
 }