diff --git a/package-lock.json b/package-lock.json
index c751c2d..972b40f 100644
--- a/package-lock.json
+++ b/package-lock.json
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+          "resolved": "https://registry.npmjs.org/isarray/-/isarray-2.0.1.tgz",
+          "integrity": "sha1-o32U7ZzaLVmGXJ92/llu4fM4dB4=",
           "dev": true
+        },
+        "socket.io-parser": {
+          "version": "3.3.2",
+          "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-3.3.2.tgz",
+          "integrity": "sha512-FJvDBuOALxdCI9qwRrO/Rfp9yfndRtc1jSgVgV8FDraihmSP/MLGD5PEuJrNfjALvcQ+vMDM/33AWOYP/JSjDg==",
+          "dev": true,
+          "requires": {
+            "component-emitter": "~1.3.0",
+            "debug": "~3.1.0",
+            "isarray": "2.0.1"
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-    "socket.io-client": {
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-      "resolved": "https://registry.npmjs.org/socket.io-client/-/socket.io-client-1.7.4.tgz",
-      "integrity": "sha1-7J+CA1btme9tNX8HVtZIcXvdQoE=",
+    "socket.io-parser": {
+      "version": "3.4.1",
+      "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-3.4.1.tgz",
+      "integrity": "sha512-11hMgzL+WCLWf1uFtHSNvliI++tcRUWdoeYuwIl+Axvwy9z2gQM+7nJyN3STj1tLj5JyIUH8/gpDGxzAlDdi0A==",
       "dev": true,
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-        "backo2": "1.0.2",
-        "component-bind": "1.0.0",
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-        "debug": "2.3.3",
-        "engine.io-client": "1.8.4",
-        "has-binary": "0.1.7",
-        "indexof": "0.0.1",
-        "object-component": "0.0.3",
-        "parseuri": "0.0.5",
-        "socket.io-parser": "2.3.1",
-        "to-array": "0.1.4"
+        "debug": "~4.1.0",
+        "isarray": "2.0.1"
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@@ -3426,47 +3369,24 @@
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-          "resolved": "https://registry.npmjs.org/debug/-/debug-2.3.3.tgz",
-          "integrity": "sha1-QMRT5n5uE8kB3ewxeviYbNqe/4w=",
+          "version": "4.1.1",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz",
+          "integrity": "sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==",
           "dev": true,
           "requires": {
-            "ms": "0.7.2"
+            "ms": "^2.1.1"
           }
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-        "ms": {
-          "version": "0.7.2",
-          "resolved": "https://registry.npmjs.org/ms/-/ms-0.7.2.tgz",
-          "integrity": "sha1-riXPJRKziFodldfwN4aNhDESR2U=",
+        "isarray": {
+          "version": "2.0.1",
+          "resolved": "https://registry.npmjs.org/isarray/-/isarray-2.0.1.tgz",
+          "integrity": "sha1-o32U7ZzaLVmGXJ92/llu4fM4dB4=",
           "dev": true
-        }
-      }
-    },
-    "socket.io-parser": {
-      "version": "2.3.1",
-      "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-2.3.1.tgz",
-      "integrity": "sha1-3VMgJRA85Clpcya+/WQAX8/ltKA=",
-      "dev": true,
-      "requires": {
-        "component-emitter": "1.1.2",
-        "debug": "2.2.0",
-        "isarray": "0.0.1",
-        "json3": "3.3.2"
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-          "version": "2.2.0",
-          "resolved": "https://registry.npmjs.org/debug/-/debug-2.2.0.tgz",
-          "integrity": "sha1-+HBX6ZWxofauaklgZkE3vFbwOdo=",
-          "dev": true,
-          "requires": {
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         "ms": {
-          "version": "0.7.1",
-          "resolved": "https://registry.npmjs.org/ms/-/ms-0.7.1.tgz",
-          "integrity": "sha1-nNE8A62/8ltl7/3nzoZO6VIBcJg=",
+          "version": "2.1.3",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
+          "integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA==",
           "dev": true
         }
       }
@@ -3865,12 +3785,6 @@
       "dev": true,
       "optional": true
     },
-    "ultron": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/ultron/-/ultron-1.0.2.tgz",
-      "integrity": "sha1-rOEWq1V80Zc4ak6I9GhTeMiy5Po=",
-      "dev": true
-    },
     "underscore.string": {
       "version": "3.2.3",
       "resolved": "https://registry.npmjs.org/underscore.string/-/underscore.string-3.2.3.tgz",
@@ -4015,25 +3929,15 @@
       "dev": true
     },
     "ws": {
-      "version": "1.1.4",
-      "resolved": "https://registry.npmjs.org/ws/-/ws-1.1.4.tgz",
-      "integrity": "sha1-V/QNA2gy5fUFVmKjl8Tedu1mv2E=",
-      "dev": true,
-      "requires": {
-        "options": "0.0.6",
-        "ultron": "1.0.2"
-      }
-    },
-    "wtf-8": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/wtf-8/-/wtf-8-1.0.0.tgz",
-      "integrity": "sha1-OS2LotDxw00e4tYw8V0O+2jhBIo=",
+      "version": "7.4.4",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-7.4.4.tgz",
+      "integrity": "sha512-Qm8k8ojNQIMx7S+Zp8u/uHOx7Qazv3Yv4q68MiWWWOJhiwG5W3x7iqmRtJo8xxrciZUY4vRxUTJCKuRnF28ZZw==",
       "dev": true
     },
     "xmlhttprequest-ssl": {
-      "version": "1.5.3",
-      "resolved": "https://registry.npmjs.org/xmlhttprequest-ssl/-/xmlhttprequest-ssl-1.5.3.tgz",
-      "integrity": "sha1-GFqIjATspGw+QHDZn3tJ3jUomS0=",
+      "version": "1.5.5",
+      "resolved": "https://registry.npmjs.org/xmlhttprequest-ssl/-/xmlhttprequest-ssl-1.5.5.tgz",
+      "integrity": "sha1-wodrBhaKrcQOV9l+gRkayPQ5iz4=",
       "dev": true
     },
     "xtend": {
diff --git a/package.json b/package.json
index 614a4e3..d5752c7 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,7 @@
     "grunt-retire": "^1.0.7",
     "grunt-zip": "~0.17.1",
     "mustache": "^2.3.0",
-    "socket.io": "^1.7.3"
+    "socket.io": "^2.4.0"
   },
   "license": "MIT"
 }