diff --git a/package-lock.json b/package-lock.json
index 91a6103..ba77253 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -263,9 +263,9 @@
       "integrity": "sha1-NhIfhFwFeBct5Bmpfb6x0W7DRUI="
     },
     "async-limiter": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/async-limiter/-/async-limiter-1.0.0.tgz",
-      "integrity": "sha512-jp/uFnooOiO+L211eZOoSyzpOITMXx1rBITauYykG3BRYPu8h0UcxsPNB04RR5vo4Tyz3+ay17tR6JVf9qzYWg=="
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/async-limiter/-/async-limiter-1.0.1.tgz",
+      "integrity": "sha512-csOlWGAcRFJaI6m+F2WKdnMKr4HhdhFVBk0H/QbJFMCr+uO2kwohwXQPxw/9OCxp05r5ghVBFSyioixx3gfkNQ=="
     },
     "asynckit": {
       "version": "0.4.0",
@@ -378,9 +378,9 @@
       "integrity": "sha1-c5JncZI7Whl0etZmqlzUv5xunOg="
     },
     "base64id": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/base64id/-/base64id-1.0.0.tgz",
-      "integrity": "sha1-R2iMuZu2gE8OBtPnY7HDLlfY5rY="
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/base64id/-/base64id-2.0.0.tgz",
+      "integrity": "sha512-lGe34o6EHj9y3Kts9R4ZYs/Gr+6N7MCaMlIFA3F1R2O5/m7K06AxfSeO5530PEERE6/WyEg3lsuyw4GHlPZHog=="
     },
     "basic-auth": {
       "version": "2.0.1",
@@ -635,9 +635,9 @@
       "dev": true
     },
     "chokidar": {
-      "version": "2.1.6",
-      "resolved": "https://registry.npmjs.org/chokidar/-/chokidar-2.1.6.tgz",
-      "integrity": "sha512-V2jUo67OKkc6ySiRpJrjlpJKl9kDuG+Xb8VgsGzb+aEouhgS1D0weyPU4lEzdAcsCAvrih2J2BqyXqHWvVLw5g==",
+      "version": "2.1.8",
+      "resolved": "https://registry.npmjs.org/chokidar/-/chokidar-2.1.8.tgz",
+      "integrity": "sha512-ZmZUazfOzf0Nve7duiCKD23PFSCs4JPoYyccjUFF3aQkQadqBhfzhjkwBH2mNOG9cTBwhamM37EIsIkZw3nRgg==",
       "requires": {
         "anymatch": "^2.0.0",
         "async-each": "^1.0.1",
@@ -1088,37 +1088,27 @@
       "integrity": "sha1-rT/0yG7C0CkyL1oCw6mmBslbP1k="
     },
     "engine.io": {
-      "version": "3.3.2",
-      "resolved": "https://registry.npmjs.org/engine.io/-/engine.io-3.3.2.tgz",
-      "integrity": "sha512-AsaA9KG7cWPXWHp5FvHdDWY3AMWeZ8x+2pUVLcn71qE5AtAzgGbxuclOytygskw8XGmiQafTmnI9Bix3uihu2w==",
+      "version": "3.4.0",
+      "resolved": "https://registry.npmjs.org/engine.io/-/engine.io-3.4.0.tgz",
+      "integrity": "sha512-XCyYVWzcHnK5cMz7G4VTu2W7zJS7SM1QkcelghyIk/FmobWBtXE7fwhBusEKvCSqc3bMh8fNFMlUkCKTFRxH2w==",
       "requires": {
         "accepts": "~1.3.4",
-        "base64id": "1.0.0",
+        "base64id": "2.0.0",
         "cookie": "0.3.1",
-        "debug": "~3.1.0",
-        "engine.io-parser": "~2.1.0",
-        "ws": "~6.1.0"
-      },
-      "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"
-          }
-        }
+        "debug": "~4.1.0",
+        "engine.io-parser": "~2.2.0",
+        "ws": "^7.1.2"
       }
     },
     "engine.io-client": {
-      "version": "3.3.2",
-      "resolved": "https://registry.npmjs.org/engine.io-client/-/engine.io-client-3.3.2.tgz",
-      "integrity": "sha512-y0CPINnhMvPuwtqXfsGuWE8BB66+B6wTtCofQDRecMQPYX3MYUZXFNKDhdrSe3EVjgOu4V3rxdeqN/Tr91IgbQ==",
+      "version": "3.4.0",
+      "resolved": "https://registry.npmjs.org/engine.io-client/-/engine.io-client-3.4.0.tgz",
+      "integrity": "sha512-a4J5QO2k99CM2a0b12IznnyQndoEvtA4UAldhGzKqnHf42I3Qs2W5SPnDvatZRcMaNZs4IevVicBPayxYt6FwA==",
       "requires": {
         "component-emitter": "1.2.1",
         "component-inherit": "0.0.3",
-        "debug": "~3.1.0",
-        "engine.io-parser": "~2.1.1",
+        "debug": "~4.1.0",
+        "engine.io-parser": "~2.2.0",
         "has-cors": "1.1.0",
         "indexof": "0.0.1",
         "parseqs": "0.0.5",
@@ -1133,20 +1123,20 @@
           "resolved": "https://registry.npmjs.org/component-emitter/-/component-emitter-1.2.1.tgz",
           "integrity": "sha1-E3kY1teCg/ffemt8WmPhQOaUJeY="
         },
-        "debug": {
-          "version": "3.1.0",
-          "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
-          "integrity": "sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==",
+        "ws": {
+          "version": "6.1.4",
+          "resolved": "https://registry.npmjs.org/ws/-/ws-6.1.4.tgz",
+          "integrity": "sha512-eqZfL+NE/YQc1/ZynhojeV8q+H050oR8AZ2uIev7RU10svA9ZnJUddHcOUZTJLinZ9yEfdA2kSATS2qZK5fhJA==",
           "requires": {
-            "ms": "2.0.0"
+            "async-limiter": "~1.0.0"
           }
         }
       }
     },
     "engine.io-parser": {
-      "version": "2.1.3",
-      "resolved": "https://registry.npmjs.org/engine.io-parser/-/engine.io-parser-2.1.3.tgz",
-      "integrity": "sha512-6HXPre2O4Houl7c4g7Ic/XzPnHBvaEmN90vtRO9uLmwtRqQmTOw0QMevL1TOfL2Cpu1VzsaTmMotQgMdkzGkVA==",
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/engine.io-parser/-/engine.io-parser-2.2.0.tgz",
+      "integrity": "sha512-6I3qD9iUxotsC5HEMuuGsKA0cXerGz+4uGcXQEkfBidgKf0amsjrrtwcbwK/nzpZBxclXlV7gGl9dgWvu4LF6w==",
       "requires": {
         "after": "0.8.2",
         "arraybuffer.slice": "~0.0.7",
@@ -1571,16 +1561,6 @@
       "integrity": "sha512-OwxJkR6TQiYMmt1EsNRMe5qG3GsbjlcOhbGUBY4LtavF9DsLaTcoR+j2Tdjqi23oUwKNUqX7qcn5fPStafMdlA==",
       "dev": true
     },
-    "eslint-scope": {
-      "version": "4.0.3",
-      "resolved": "https://registry.npmjs.org/eslint-scope/-/eslint-scope-4.0.3.tgz",
-      "integrity": "sha512-p7VutNr1O/QrxysMo3E45FjYDTeXBy0iTltPFNSqKAIfjDSXC+4dj+qfyuD8bfAXrW/y6lW3O76VaYNPKfpKrg==",
-      "dev": true,
-      "requires": {
-        "esrecurse": "^4.1.0",
-        "estraverse": "^4.1.1"
-      }
-    },
     "eslint-utils": {
       "version": "1.3.1",
       "resolved": "https://registry.npmjs.org/eslint-utils/-/eslint-utils-1.3.1.tgz",
@@ -2902,15 +2882,6 @@
         "sshpk": "^1.7.0"
       }
     },
-    "iconv-lite": {
-      "version": "0.4.23",
-      "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.4.23.tgz",
-      "integrity": "sha512-neyTUVFtahjf0mB3dZT77u+8O0QB89jFdnBkd5P1JgYPbPaia3gXXOVL2fq8VyU2gMMD7SaN7QukTB/pmXYvDA==",
-      "dev": true,
-      "requires": {
-        "safer-buffer": ">= 2.1.2 < 3"
-      }
-    },
     "ignore": {
       "version": "4.0.6",
       "resolved": "https://registry.npmjs.org/ignore/-/ignore-4.0.6.tgz",
@@ -5157,16 +5128,16 @@
       }
     },
     "socket.io": {
-      "version": "2.2.0",
-      "resolved": "https://registry.npmjs.org/socket.io/-/socket.io-2.2.0.tgz",
-      "integrity": "sha512-wxXrIuZ8AILcn+f1B4ez4hJTPG24iNgxBBDaJfT6MsyOhVYiTXWexGoPkd87ktJG8kQEcL/NBvRi64+9k4Kc0w==",
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/socket.io/-/socket.io-2.3.0.tgz",
+      "integrity": "sha512-2A892lrj0GcgR/9Qk81EaY2gYhCBxurV0PfmmESO6p27QPrUK1J3zdns+5QPqvUYK2q657nSj0guoIil9+7eFg==",
       "requires": {
         "debug": "~4.1.0",
-        "engine.io": "~3.3.1",
+        "engine.io": "~3.4.0",
         "has-binary2": "~1.0.2",
         "socket.io-adapter": "~1.1.0",
-        "socket.io-client": "2.2.0",
-        "socket.io-parser": "~3.3.0"
+        "socket.io-client": "2.3.0",
+        "socket.io-parser": "~3.4.0"
       }
     },
     "socket.io-adapter": {
@@ -5175,16 +5146,16 @@
       "integrity": "sha1-KoBeihTWNyEk3ZFZrUUC+MsH8Gs="
     },
     "socket.io-client": {
-      "version": "2.2.0",
-      "resolved": "https://registry.npmjs.org/socket.io-client/-/socket.io-client-2.2.0.tgz",
-      "integrity": "sha512-56ZrkTDbdTLmBIyfFYesgOxsjcLnwAKoN4CiPyTVkMQj3zTUh0QAx3GbvIvLpFEOvQWu92yyWICxB0u7wkVbYA==",
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/socket.io-client/-/socket.io-client-2.3.0.tgz",
+      "integrity": "sha512-cEQQf24gET3rfhxZ2jJ5xzAOo/xhZwK+mOqtGRg5IowZsMgwvHwnf/mCRapAAkadhM26y+iydgwsXGObBB5ZdA==",
       "requires": {
         "backo2": "1.0.2",
         "base64-arraybuffer": "0.1.5",
         "component-bind": "1.0.0",
         "component-emitter": "1.2.1",
-        "debug": "~3.1.0",
-        "engine.io-client": "~3.3.1",
+        "debug": "~4.1.0",
+        "engine.io-client": "~3.4.0",
         "has-binary2": "~1.0.2",
         "has-cors": "1.1.0",
         "indexof": "0.0.1",
@@ -5200,23 +5171,40 @@
           "resolved": "https://registry.npmjs.org/component-emitter/-/component-emitter-1.2.1.tgz",
           "integrity": "sha1-E3kY1teCg/ffemt8WmPhQOaUJeY="
         },
-        "debug": {
-          "version": "3.1.0",
-          "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
-          "integrity": "sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==",
+        "isarray": {
+          "version": "2.0.1",
+          "resolved": "https://registry.npmjs.org/isarray/-/isarray-2.0.1.tgz",
+          "integrity": "sha1-o32U7ZzaLVmGXJ92/llu4fM4dB4="
+        },
+        "socket.io-parser": {
+          "version": "3.3.0",
+          "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-3.3.0.tgz",
+          "integrity": "sha512-hczmV6bDgdaEbVqhAeVMM/jfUfzuEZHsQg6eOmLgJht6G3mPKMxYm75w2+qhAQZ+4X+1+ATZ+QFKeOZD5riHng==",
           "requires": {
-            "ms": "2.0.0"
+            "component-emitter": "1.2.1",
+            "debug": "~3.1.0",
+            "isarray": "2.0.1"
+          },
+          "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"
+              }
+            }
           }
         }
       }
     },
     "socket.io-parser": {
-      "version": "3.3.0",
-      "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-3.3.0.tgz",
-      "integrity": "sha512-hczmV6bDgdaEbVqhAeVMM/jfUfzuEZHsQg6eOmLgJht6G3mPKMxYm75w2+qhAQZ+4X+1+ATZ+QFKeOZD5riHng==",
+      "version": "3.4.0",
+      "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-3.4.0.tgz",
+      "integrity": "sha512-/G/VOI+3DBp0+DJKW4KesGnQkQPFmUCbA/oO2QGT6CWxU7hLGWqU3tyuzeSK/dqcyeHsQg1vTe9jiZI8GU9SCQ==",
       "requires": {
         "component-emitter": "1.2.1",
-        "debug": "~3.1.0",
+        "debug": "~4.1.0",
         "isarray": "2.0.1"
       },
       "dependencies": {
@@ -5225,14 +5213,6 @@
           "resolved": "https://registry.npmjs.org/component-emitter/-/component-emitter-1.2.1.tgz",
           "integrity": "sha1-E3kY1teCg/ffemt8WmPhQOaUJeY="
         },
-        "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"
-          }
-        },
         "isarray": {
           "version": "2.0.1",
           "resolved": "https://registry.npmjs.org/isarray/-/isarray-2.0.1.tgz",
@@ -5556,12 +5536,6 @@
         "get-stdin": "^4.0.1"
       }
     },
-    "strip-json-comments": {
-      "version": "2.0.1",
-      "resolved": "https://registry.npmjs.org/strip-json-comments/-/strip-json-comments-2.0.1.tgz",
-      "integrity": "sha1-PFMZQukIwml8DsNEhYwobHygpgo=",
-      "dev": true
-    },
     "sum-up": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/sum-up/-/sum-up-1.0.3.tgz",
@@ -5960,9 +5934,9 @@
       }
     },
     "upath": {
-      "version": "1.1.2",
-      "resolved": "https://registry.npmjs.org/upath/-/upath-1.1.2.tgz",
-      "integrity": "sha512-kXpym8nmDmlCBr7nKdIx8P2jNBa+pBpIUFRnKJ4dr8htyYGJFokkr2ZvERRtUN+9SY+JqXouNgUPtv6JQva/2Q=="
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/upath/-/upath-1.2.0.tgz",
+      "integrity": "sha512-aZwGpamFO61g3OlfT7OQCHqhGnW43ieH9WZeP7QxN/G/jS4jfqUkZxoryvJgVPEcrl5NL/ggHsSmLMHuH64Lhg=="
     },
     "uri-js": {
       "version": "4.2.2",
@@ -6102,11 +6076,11 @@
       }
     },
     "ws": {
-      "version": "6.1.4",
-      "resolved": "https://registry.npmjs.org/ws/-/ws-6.1.4.tgz",
-      "integrity": "sha512-eqZfL+NE/YQc1/ZynhojeV8q+H050oR8AZ2uIev7RU10svA9ZnJUddHcOUZTJLinZ9yEfdA2kSATS2qZK5fhJA==",
+      "version": "7.1.2",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-7.1.2.tgz",
+      "integrity": "sha512-gftXq3XI81cJCgkUiAVixA0raD9IVmXqsylCrjRygw4+UOOGzPoxnQ6r/CnVL9i+mDncJo94tSkyrtuuQVBmrg==",
       "requires": {
-        "async-limiter": "~1.0.0"
+        "async-limiter": "^1.0.0"
       }
     },
     "xmlhttprequest-ssl": {
diff --git a/package.json b/package.json
index 7132c0b..58cc79c 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,7 @@
     "node-sass": "4.12.0",
     "pg": "7.11.0",
     "pug": "2.0.4",
-    "socket.io": "2.2.0",
+    "socket.io": "2.3.0",
     "uglify-es": "3.3.9"
   },
   "devDependencies": {