diff --git a/package-lock.json b/package-lock.json
index 68b8c55..10ad21f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -18,7 +18,7 @@
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@@ -4741,7 +4739,6 @@
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@@ -10515,8 +10490,7 @@
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@@ -10918,7 +10892,6 @@
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@@ -24352,14 +24319,14 @@
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           "resolved": "https://registry.npmjs.org/isarray/-/isarray-2.0.1.tgz",
-          "integrity": "sha1-o32U7ZzaLVmGXJ92/llu4fM4dB4="
+          "integrity": "sha512-c2cu3UxbI+b6kR3fy0nRnAhodsvR9dx7U5+znCOzdj6IfP3upFURTr0Xl5BlQZNKZjEtxrmVyfSdeE3O57smoQ=="
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       "resolved": "https://registry.npmjs.org/has-cors/-/has-cors-1.1.0.tgz",
-      "integrity": "sha1-XkdHk/fqmEPRu5nCPu9J/xJv/zk="
+      "integrity": "sha512-g5VNKdkFuUuVCP9gYfDJHjK2nqdQJ7aDLTnycnc2+RvsOQbuLdF5pm7vuE5J76SEBIQjs4kQY/BWq74JUmjbXA=="
     },
     "has-flag": {
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@@ -24869,7 +24836,7 @@
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       "resolved": "https://registry.npmjs.org/indexof/-/indexof-0.0.1.tgz",
-      "integrity": "sha1-gtwzbSMrkGIXnQWrMpOmYFn9Q10="
+      "integrity": "sha512-i0G7hLJ1z0DE8dsqJa2rycj9dBmNKgXBvotXtZYXakU9oivfB9Uj2ZBC27qqef2U58/ZLwalxa1X/RDCdkHtVg=="
     },
     "infer-owner": {
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@@ -28962,15 +28929,15 @@
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     "socket.io": {
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-      "resolved": "https://registry.npmjs.org/socket.io/-/socket.io-2.4.1.tgz",
-      "integrity": "sha512-Si18v0mMXGAqLqCVpTxBa8MGqriHGQh8ccEOhmsmNS3thNCGBwO8WGrwMibANsWtQQ5NStdZwHqZR3naJVFc3w==",
+      "version": "2.5.0",
+      "resolved": "https://registry.npmjs.org/socket.io/-/socket.io-2.5.0.tgz",
+      "integrity": "sha512-gGunfS0od3VpwDBpGwVkzSZx6Aqo9uOcf1afJj2cKnKFAoyl16fvhpsUhmUFd4Ldbvl5JvRQed6eQw6oQp6n8w==",
       "requires": {
         "debug": "~4.1.0",
-        "engine.io": "~3.5.0",
+        "engine.io": "~3.6.0",
         "has-binary2": "~1.0.2",
         "socket.io-adapter": "~1.1.0",
-        "socket.io-client": "2.4.0",
+        "socket.io-client": "2.5.0",
         "socket.io-parser": "~3.4.0"
       },
       "dependencies": {
@@ -29010,9 +28977,9 @@
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     "socket.io-client": {
-      "version": "2.4.0",
-      "resolved": "https://registry.npmjs.org/socket.io-client/-/socket.io-client-2.4.0.tgz",
-      "integrity": "sha512-M6xhnKQHuuZd4Ba9vltCLT9oa+YvTsP8j9NcEiLElfIg8KeYPyhWOes6x4t+LTAC8enQbE/995AdTem2uNyKKQ==",
+      "version": "2.5.0",
+      "resolved": "https://registry.npmjs.org/socket.io-client/-/socket.io-client-2.5.0.tgz",
+      "integrity": "sha512-lOO9clmdgssDykiOmVQQitwBAF3I6mYcQAo7hQ7AM6Ny5X7fp8hIJ3HcQs3Rjz4SoggoxA1OgrQyY8EgTbcPYw==",
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@@ -29038,17 +29005,17 @@
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           "resolved": "https://registry.npmjs.org/isarray/-/isarray-2.0.1.tgz",
-          "integrity": "sha1-o32U7ZzaLVmGXJ92/llu4fM4dB4="
+          "integrity": "sha512-c2cu3UxbI+b6kR3fy0nRnAhodsvR9dx7U5+znCOzdj6IfP3upFURTr0Xl5BlQZNKZjEtxrmVyfSdeE3O57smoQ=="
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         "ms": {
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           "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
-          "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g="
+          "integrity": "sha512-Tpp60P6IUJDTuOq/5Z8cdskzJujfwqfOTkrwIwj7IRISpnkJnT6SyJ4PCPnGMoFjC9ddhal5KVIYtAt97ix05A=="
         },
         "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==",
+          "version": "3.3.3",
+          "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-3.3.3.tgz",
+          "integrity": "sha512-qOg87q1PMWWTeO01768Yh9ogn7chB9zkKtQnya41Y355S0UmpXgpcrFwAgjYJxu9BdKug5r5e9YtVSeWhKBUZg==",
           "requires": {
             "component-emitter": "~1.3.0",
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@@ -29823,7 +29790,7 @@
     "to-array": {
       "version": "0.1.4",
       "resolved": "https://registry.npmjs.org/to-array/-/to-array-0.1.4.tgz",
-      "integrity": "sha1-F+bBH3PdTz10zaek/zI46a2b+JA="
+      "integrity": "sha512-LhVdShQD/4Mk4zXNroIQZJC+Ap3zgLcDuwEdcmLv9CCO73NWockQDwyUnW/m8VX/EElfL6FcYx7EeutN4HJA6A=="
     },
     "to-arraybuffer": {
       "version": "1.0.1",
@@ -30942,7 +30909,7 @@
       "dev": true,
       "requires": {
         "chokidar": "^3.4.0",
-        "chokidar2": "file:./chokidar2",
+        "chokidar2": "file:chokidar2",
         "graceful-fs": "^4.1.2",
         "neo-async": "^2.5.0"
       }
@@ -31921,7 +31888,7 @@
     "yeast": {
       "version": "0.1.2",
       "resolved": "https://registry.npmjs.org/yeast/-/yeast-0.1.2.tgz",
-      "integrity": "sha1-AI4G2AlDIMNy28L47XagymyKxBk="
+      "integrity": "sha512-8HFIh676uyGYP6wP13R/j6OJ/1HwJ46snpvzE7aHAN3Ryqh2yX6Xox2B4CUmTwwOIzlG3Bs7ocsP5dZH/R1Qbg=="
     },
     "zepto": {
       "version": "1.2.0",
diff --git a/package.json b/package.json
index 7c21a6c..9d45a47 100644
--- a/package.json
+++ b/package.json
@@ -31,7 +31,7 @@
     "moment": "^2.24.0",
     "mongodb": "^3.2.7",
     "node-schedule": "^1.3.2",
-    "socket.io": "^2.2.0"
+    "socket.io": "^2.5.0"
   },
   "devDependencies": {
     "@vuepress/plugin-google-analytics": "^1.2.0",