diff --git a/package-lock.json b/package-lock.json
index 53e677f..e18864f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -385,12 +385,12 @@
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@@ -1691,9 +1691,9 @@
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+      "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.4.2.tgz",
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@@ -2032,9 +2032,9 @@
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+      "resolved": "https://registry.npmjs.org/engine.io/-/engine.io-3.6.1.tgz",
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@@ -3901,16 +3901,16 @@
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+      "resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.52.0.tgz",
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-      "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.28.tgz",
-      "integrity": "sha512-0TO2yJ5YHYr7M2zzT7gDU1tbwHxEUWBCLt0lscSNpcdAfFyJOVEpRYNS7EXVcTLNj/25QO8gulHC5JtTzSE2UQ==",
+      "version": "2.1.35",
+      "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.35.tgz",
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@@ -4388,9 +4388,9 @@
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-      "resolved": "https://registry.npmjs.org/negotiator/-/negotiator-0.6.2.tgz",
-      "integrity": "sha512-hZXc7K2e+PgeI1eDBe/10Ard4ekbfrrqG8Ep+8Jmf4JID2bNg7NvCPOZN+kfF574pFQI7mum2AUqDidoKqcTOw=="
+      "version": "0.6.3",
+      "resolved": "https://registry.npmjs.org/negotiator/-/negotiator-0.6.3.tgz",
+      "integrity": "sha512-+EUsqGPLsM+j/zdChZjsnX51g4XrHFOIXwfnCVPGlQk/k5giakcKsuxCObBRu6DSm9opw/O6slWbJdghQM4bBg=="
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@@ -5281,18 +5281,23 @@
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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"
       },
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+        "component-emitter": {
+          "version": "1.3.0",
+          "resolved": "https://registry.npmjs.org/component-emitter/-/component-emitter-1.3.0.tgz",
+          "integrity": "sha512-Rd3se6QB+sO1TwqZjscQrurpEPIfO0/yYnSin6Q/rD3mOutHvUrCAhJub3r90uNb+SESBuE0QYoB90YdfatsRg=="
+        },
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           "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz",
@@ -5301,10 +5306,58 @@
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           }
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+        "isarray": {
+          "version": "2.0.1",
+          "resolved": "https://registry.npmjs.org/isarray/-/isarray-2.0.1.tgz",
+          "integrity": "sha512-c2cu3UxbI+b6kR3fy0nRnAhodsvR9dx7U5+znCOzdj6IfP3upFURTr0Xl5BlQZNKZjEtxrmVyfSdeE3O57smoQ=="
+        },
         "ms": {
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           "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
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+        },
+        "socket.io-client": {
+          "version": "2.5.0",
+          "resolved": "https://registry.npmjs.org/socket.io-client/-/socket.io-client-2.5.0.tgz",
+          "integrity": "sha512-lOO9clmdgssDykiOmVQQitwBAF3I6mYcQAo7hQ7AM6Ny5X7fp8hIJ3HcQs3Rjz4SoggoxA1OgrQyY8EgTbcPYw==",
+          "requires": {
+            "backo2": "1.0.2",
+            "component-bind": "1.0.0",
+            "component-emitter": "~1.3.0",
+            "debug": "~3.1.0",
+            "engine.io-client": "~3.5.0",
+            "has-binary2": "~1.0.2",
+            "indexof": "0.0.1",
+            "parseqs": "0.0.6",
+            "parseuri": "0.0.6",
+            "socket.io-parser": "~3.3.0",
+            "to-array": "0.1.4"
+          },
+          "dependencies": {
+            "debug": {
+              "version": "3.1.0",
+              "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
+              "integrity": "sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==",
+              "requires": {
+                "ms": "2.0.0"
+              }
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+            "ms": {
+              "version": "2.0.0",
+              "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
+              "integrity": "sha512-Tpp60P6IUJDTuOq/5Z8cdskzJujfwqfOTkrwIwj7IRISpnkJnT6SyJ4PCPnGMoFjC9ddhal5KVIYtAt97ix05A=="
+            },
+            "socket.io-parser": {
+              "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",
+                "debug": "~3.1.0",
+                "isarray": "2.0.1"
+              }
+            }
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@@ -5362,9 +5415,9 @@
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     "socket.io-parser": {
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-      "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-3.4.1.tgz",
-      "integrity": "sha512-11hMgzL+WCLWf1uFtHSNvliI++tcRUWdoeYuwIl+Axvwy9z2gQM+7nJyN3STj1tLj5JyIUH8/gpDGxzAlDdi0A==",
+      "version": "3.4.2",
+      "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-3.4.2.tgz",
+      "integrity": "sha512-QFZBaZDNqZXeemwejc7D39jrq2eGK/qZuVDiMPKzZK1hLlNvjGilGt4ckfQZeVX4dGmuPzCytN9ZW1nQlEWjgA==",
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@@ -5382,7 +5435,7 @@
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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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diff --git a/package.json b/package.json
index 1aa01b2..f59f0c4 100644
--- a/package.json
+++ b/package.json
@@ -33,7 +33,7 @@
   "dependencies": {
     "dateformat": "^3.0.3",
     "mongodb": "^3.6.3",
-    "socket.io": "^2.4.1",
+    "socket.io": "^2.5.0",
     "socket.io-client": "^2.4.0"
   }
 }