diff --git a/examples/latency/package-lock.json b/examples/latency/package-lock.json
index df4557f9a..059da8d7e 100644
--- a/examples/latency/package-lock.json
+++ b/examples/latency/package-lock.json
@@ -491,17 +491,17 @@
       "integrity": "sha1-rT/0yG7C0CkyL1oCw6mmBslbP1k="
     },
     "engine.io": {
-      "version": "4.0.0",
-      "resolved": "https://registry.npmjs.org/engine.io/-/engine.io-4.0.0.tgz",
-      "integrity": "sha512-WyTa1NJR8rRmPXGXNSSgA+XhzfYLVcRBjRoFx7gI3cARnEsyuMpg0PS/PMDnPMMQtkjmVZsi2/ETrpq4mhoYSw==",
+      "version": "4.1.2",
+      "resolved": "https://registry.npmjs.org/engine.io/-/engine.io-4.1.2.tgz",
+      "integrity": "sha512-t5z6zjXuVLhXDMiFJPYsPOWEER8B0tIsD3ETgw19S1yg9zryvUfY3Vhtk3Gf4sihw/bQGIqQ//gjvVlu+Ca0bQ==",
       "requires": {
         "accepts": "~1.3.4",
         "base64id": "2.0.0",
         "cookie": "~0.4.1",
         "cors": "~2.8.5",
-        "debug": "~4.1.0",
+        "debug": "~4.3.1",
         "engine.io-parser": "~4.0.0",
-        "ws": "^7.1.2"
+        "ws": "~7.4.2"
       },
       "dependencies": {
         "cookie": {
@@ -510,11 +510,11 @@
           "integrity": "sha512-ZwrFkGJxUR3EIoXtO+yVE69Eb7KlixbaeAWfBQB9vVsNn/o+Yw69gBWSSDK825hQNdN+wF8zELf3dFNl/kxkUA=="
         },
         "debug": {
-          "version": "4.1.1",
-          "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz",
-          "integrity": "sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==",
+          "version": "4.3.3",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.3.tgz",
+          "integrity": "sha512-/zxw5+vh1Tfv+4Qn7a5nsbcJKPaSvCDhojn6FEl9vupwK2VCSDtEiEtqr8DFtzYFOdz63LBkxec7DYuc2jon6Q==",
           "requires": {
-            "ms": "^2.1.1"
+            "ms": "2.1.2"
           }
         },
         "ms": {
@@ -1523,9 +1523,9 @@
       "integrity": "sha1-o9XabNXAvAAI03I0u68b7WMFkQc="
     },
     "ws": {
-      "version": "7.3.1",
-      "resolved": "https://registry.npmjs.org/ws/-/ws-7.3.1.tgz",
-      "integrity": "sha512-D3RuNkynyHmEJIpD2qrgVkc9DQ23OrN/moAwZX4L8DfvszsJxpjQuUq3LMx6HoYji9fbIOBY18XWBsAux1ZZUA=="
+      "version": "7.4.6",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-7.4.6.tgz",
+      "integrity": "sha512-YmhHDO4MzaDLB+M9ym/mDA5z0naX8j7SIlT8f8z+I0VtzsRbekxEutHSme7NPS2qE8StCYQNUnfWdXta/Yu85A=="
     },
     "xmlhttprequest-ssl": {
       "version": "1.5.5",
diff --git a/examples/latency/package.json b/examples/latency/package.json
index 2df714738..2f7c6d34a 100644
--- a/examples/latency/package.json
+++ b/examples/latency/package.json
@@ -3,7 +3,7 @@
   "version": "0.1.0",
   "dependencies": {
     "enchilada": "0.13.0",
-    "engine.io": "^4.0.0",
+    "engine.io": "^4.1.2",
     "engine.io-client": "^4.0.0",
     "express": "^4.17.1",
     "smoothie": "1.19.0"