diff --git a/package-lock.json b/package-lock.json
index 1fabf3de0..95db4e2f6 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3770,18 +3770,18 @@
       }
     },
     "engine.io": {
-      "version": "4.0.2",
-      "resolved": "https://registry.npmjs.org/engine.io/-/engine.io-4.0.2.tgz",
-      "integrity": "sha512-sumdttqWLNjbuSMOSgDdL2xiEld9s5QZDk9VLyr4e28o+lzNNADhU3qpQDAY7cm2VZH0Otw/U0fL8mEjZ6kBMg==",
+      "version": "4.1.2",
+      "resolved": "https://registry.npmjs.org/engine.io/-/engine.io-4.1.2.tgz",
+      "integrity": "sha512-t5z6zjXuVLhXDMiFJPYsPOWEER8B0tIsD3ETgw19S1yg9zryvUfY3Vhtk3Gf4sihw/bQGIqQ//gjvVlu+Ca0bQ==",
       "dev": true,
       "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": {
         "base64-arraybuffer": {
@@ -3796,15 +3796,6 @@
           "integrity": "sha512-ZwrFkGJxUR3EIoXtO+yVE69Eb7KlixbaeAWfBQB9vVsNn/o+Yw69gBWSSDK825hQNdN+wF8zELf3dFNl/kxkUA==",
           "dev": true
         },
-        "debug": {
-          "version": "4.1.1",
-          "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz",
-          "integrity": "sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==",
-          "dev": true,
-          "requires": {
-            "ms": "^2.1.1"
-          }
-        },
         "engine.io-parser": {
           "version": "4.0.3",
           "resolved": "https://registry.npmjs.org/engine.io-parser/-/engine.io-parser-4.0.3.tgz",
@@ -3815,9 +3806,9 @@
           }
         },
         "ws": {
-          "version": "7.5.5",
-          "resolved": "https://registry.npmjs.org/ws/-/ws-7.5.5.tgz",
-          "integrity": "sha512-BAkMFcAzl8as1G/hArkxOxq3G7pjUqQ3gzYbLL0/5zNkph70e+lCoxBGnm6AW1+/aiNeV4fnKqZ8m4GZewmH2w==",
+          "version": "7.4.6",
+          "resolved": "https://registry.npmjs.org/ws/-/ws-7.4.6.tgz",
+          "integrity": "sha512-YmhHDO4MzaDLB+M9ym/mDA5z0naX8j7SIlT8f8z+I0VtzsRbekxEutHSme7NPS2qE8StCYQNUnfWdXta/Yu85A==",
           "dev": true
         }
       }
diff --git a/package.json b/package.json
index c394a9470..0429555a2 100644
--- a/package.json
+++ b/package.json
@@ -62,7 +62,7 @@
     "@types/sinonjs__fake-timers": "^6.0.3",
     "babel-loader": "^8.2.2",
     "blob": "0.0.5",
-    "engine.io": "4.0.2",
+    "engine.io": "4.1.2",
     "expect.js": "^0.3.1",
     "express": "^4.17.1",
     "mocha": "^3.2.0",