diff --git a/package-lock.json b/package-lock.json
index 07263f375..cdf28313e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -28,7 +28,7 @@
         "connect": "~3.7.0",
         "cookie-parser": "~1.4.3",
         "csurf": "~1.11.0",
-        "engine.io": "~6.5.1",
+        "engine.io": "~6.6.2",
         "engine.io-client": "~6.5.0",
         "express-session": "~1.18.0",
         "http-error": "~0.0.6",
@@ -572,9 +572,9 @@
       }
     },
     "node_modules/cookie": {
-      "version": "0.4.1",
-      "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.4.1.tgz",
-      "integrity": "sha512-ZwrFkGJxUR3EIoXtO+yVE69Eb7KlixbaeAWfBQB9vVsNn/o+Yw69gBWSSDK825hQNdN+wF8zELf3dFNl/kxkUA==",
+      "version": "0.7.2",
+      "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.7.2.tgz",
+      "integrity": "sha512-yki5XnKuf750l50uGTllt6kKILY4nQ1eNIQatoXEByZ5dWgnKqbnqmTrBE5B4N7lrMJKQ2ytWMiTO2o0v6Ew/w==",
       "engines": {
         "node": ">= 0.6"
       }
@@ -591,14 +591,6 @@
         "node": ">= 0.8.0"
       }
     },
-    "node_modules/cookie-parser/node_modules/cookie": {
-      "version": "0.7.2",
-      "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.7.2.tgz",
-      "integrity": "sha512-yki5XnKuf750l50uGTllt6kKILY4nQ1eNIQatoXEByZ5dWgnKqbnqmTrBE5B4N7lrMJKQ2ytWMiTO2o0v6Ew/w==",
-      "engines": {
-        "node": ">= 0.6"
-      }
-    },
     "node_modules/cookie-signature": {
       "version": "1.0.6",
       "resolved": "https://registry.npmjs.org/cookie-signature/-/cookie-signature-1.0.6.tgz",
@@ -777,20 +769,20 @@
       }
     },
     "node_modules/engine.io": {
-      "version": "6.5.4",
-      "resolved": "https://registry.npmjs.org/engine.io/-/engine.io-6.5.4.tgz",
-      "integrity": "sha512-KdVSDKhVKyOi+r5uEabrDLZw2qXStVvCsEB/LN3mw4WFi6Gx50jTyuxYVCwAAC0U46FdnzP/ScKRBTXb/NiEOg==",
+      "version": "6.6.2",
+      "resolved": "https://registry.npmjs.org/engine.io/-/engine.io-6.6.2.tgz",
+      "integrity": "sha512-gmNvsYi9C8iErnZdVcJnvCpSKbWTt1E8+JZo8b+daLninywUWi5NQ5STSHZ9rFjFO7imNcvb8Pc5pe/wMR5xEw==",
       "dependencies": {
         "@types/cookie": "^0.4.1",
         "@types/cors": "^2.8.12",
         "@types/node": ">=10.0.0",
         "accepts": "~1.3.4",
         "base64id": "2.0.0",
-        "cookie": "~0.4.1",
+        "cookie": "~0.7.2",
         "cors": "~2.8.5",
         "debug": "~4.3.1",
         "engine.io-parser": "~5.2.1",
-        "ws": "~8.11.0"
+        "ws": "~8.17.1"
       },
       "engines": {
         "node": ">=10.2.0"
@@ -866,6 +858,26 @@
       "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
       "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w=="
     },
+    "node_modules/engine.io/node_modules/ws": {
+      "version": "8.17.1",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-8.17.1.tgz",
+      "integrity": "sha512-6XQFvXTkbfUOZOKKILFG1PDK2NDQs4azKQl26T0YS5CxqWLgXajbPZ+h4gZekJyRqFU8pvnbAbbs/3TgRPy+GQ==",
+      "engines": {
+        "node": ">=10.0.0"
+      },
+      "peerDependencies": {
+        "bufferutil": "^4.0.1",
+        "utf-8-validate": ">=5.0.2"
+      },
+      "peerDependenciesMeta": {
+        "bufferutil": {
+          "optional": true
+        },
+        "utf-8-validate": {
+          "optional": true
+        }
+      }
+    },
     "node_modules/es-define-property": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/es-define-property/-/es-define-property-1.0.0.tgz",
@@ -924,14 +936,6 @@
         "node": ">= 0.8.0"
       }
     },
-    "node_modules/express-session/node_modules/cookie": {
-      "version": "0.7.2",
-      "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.7.2.tgz",
-      "integrity": "sha512-yki5XnKuf750l50uGTllt6kKILY4nQ1eNIQatoXEByZ5dWgnKqbnqmTrBE5B4N7lrMJKQ2ytWMiTO2o0v6Ew/w==",
-      "engines": {
-        "node": ">= 0.6"
-      }
-    },
     "node_modules/express-session/node_modules/cookie-signature": {
       "version": "1.0.7",
       "resolved": "https://registry.npmjs.org/cookie-signature/-/cookie-signature-1.0.7.tgz",
@@ -2533,9 +2537,9 @@
       "integrity": "sha512-nTjqfcBFEipKdXCv4YDQWCfmcLZKm81ldF0pAopTvyrFGVbcR6P/VAAd5G7N+0tTr8QqiU0tFadD6FK4NtJwOA=="
     },
     "cookie": {
-      "version": "0.4.1",
-      "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.4.1.tgz",
-      "integrity": "sha512-ZwrFkGJxUR3EIoXtO+yVE69Eb7KlixbaeAWfBQB9vVsNn/o+Yw69gBWSSDK825hQNdN+wF8zELf3dFNl/kxkUA=="
+      "version": "0.7.2",
+      "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.7.2.tgz",
+      "integrity": "sha512-yki5XnKuf750l50uGTllt6kKILY4nQ1eNIQatoXEByZ5dWgnKqbnqmTrBE5B4N7lrMJKQ2ytWMiTO2o0v6Ew/w=="
     },
     "cookie-parser": {
       "version": "1.4.7",
@@ -2544,13 +2548,6 @@
       "requires": {
         "cookie": "0.7.2",
         "cookie-signature": "1.0.6"
-      },
-      "dependencies": {
-        "cookie": {
-          "version": "0.7.2",
-          "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.7.2.tgz",
-          "integrity": "sha512-yki5XnKuf750l50uGTllt6kKILY4nQ1eNIQatoXEByZ5dWgnKqbnqmTrBE5B4N7lrMJKQ2ytWMiTO2o0v6Ew/w=="
-        }
       }
     },
     "cookie-signature": {
@@ -2692,20 +2689,20 @@
       "integrity": "sha512-TPJXq8JqFaVYm2CWmPvnP2Iyo4ZSM7/QKcSmuMLDObfpH5fi7RUGmd/rTDf+rut/saiDiQEeVTNgAmJEdAOx0w=="
     },
     "engine.io": {
-      "version": "6.5.4",
-      "resolved": "https://registry.npmjs.org/engine.io/-/engine.io-6.5.4.tgz",
-      "integrity": "sha512-KdVSDKhVKyOi+r5uEabrDLZw2qXStVvCsEB/LN3mw4WFi6Gx50jTyuxYVCwAAC0U46FdnzP/ScKRBTXb/NiEOg==",
+      "version": "6.6.2",
+      "resolved": "https://registry.npmjs.org/engine.io/-/engine.io-6.6.2.tgz",
+      "integrity": "sha512-gmNvsYi9C8iErnZdVcJnvCpSKbWTt1E8+JZo8b+daLninywUWi5NQ5STSHZ9rFjFO7imNcvb8Pc5pe/wMR5xEw==",
       "requires": {
         "@types/cookie": "^0.4.1",
         "@types/cors": "^2.8.12",
         "@types/node": ">=10.0.0",
         "accepts": "~1.3.4",
         "base64id": "2.0.0",
-        "cookie": "~0.4.1",
+        "cookie": "~0.7.2",
         "cors": "~2.8.5",
         "debug": "~4.3.1",
         "engine.io-parser": "~5.2.1",
-        "ws": "~8.11.0"
+        "ws": "~8.17.1"
       },
       "dependencies": {
         "debug": {
@@ -2725,6 +2722,12 @@
           "version": "2.1.2",
           "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
           "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w=="
+        },
+        "ws": {
+          "version": "8.17.1",
+          "resolved": "https://registry.npmjs.org/ws/-/ws-8.17.1.tgz",
+          "integrity": "sha512-6XQFvXTkbfUOZOKKILFG1PDK2NDQs4azKQl26T0YS5CxqWLgXajbPZ+h4gZekJyRqFU8pvnbAbbs/3TgRPy+GQ==",
+          "requires": {}
         }
       }
     },
@@ -2803,11 +2806,6 @@
         "uid-safe": "~2.1.5"
       },
       "dependencies": {
-        "cookie": {
-          "version": "0.7.2",
-          "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.7.2.tgz",
-          "integrity": "sha512-yki5XnKuf750l50uGTllt6kKILY4nQ1eNIQatoXEByZ5dWgnKqbnqmTrBE5B4N7lrMJKQ2ytWMiTO2o0v6Ew/w=="
-        },
         "cookie-signature": {
           "version": "1.0.7",
           "resolved": "https://registry.npmjs.org/cookie-signature/-/cookie-signature-1.0.7.tgz",
diff --git a/package.json b/package.json
index 31cfef109..ea97c9d22 100644
--- a/package.json
+++ b/package.json
@@ -34,7 +34,7 @@
     "passport-http": "~0.3.0",
     "passport-local": "~1.0.0",
     "msgpack-js-browser": "~0.1.4",
-    "engine.io": "~6.5.1",
+    "engine.io": "~6.6.2",
     "engine.io-client": "~6.5.0",
     "amd-loader": "~0.0.8",
     "http-error": "~0.0.6",