diff --git a/package-lock.json b/package-lock.json
index 240093e..a812494 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,9 +1,29 @@
 {
   "name": "SnailDOStetris",
-  "version": "1.0.1",
+  "version": "0.2.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
+    "@types/component-emitter": {
+      "version": "1.2.10",
+      "resolved": "https://registry.npmjs.org/@types/component-emitter/-/component-emitter-1.2.10.tgz",
+      "integrity": "sha512-bsjleuRKWmGqajMerkzox19aGbscQX5rmmvvXl3wlIp5gMG1HgkiwPxsN5p070fBDKTNSPgojVbuY1+HWMbFhg=="
+    },
+    "@types/cookie": {
+      "version": "0.4.1",
+      "resolved": "https://registry.npmjs.org/@types/cookie/-/cookie-0.4.1.tgz",
+      "integrity": "sha512-XW/Aa8APYr6jSVVA1y/DEIZX0/GMKLEVekNG727R8cs56ahETkRAy/3DR7+fJyh7oUgGwNQaRfXCun0+KbWY7Q=="
+    },
+    "@types/cors": {
+      "version": "2.8.12",
+      "resolved": "https://registry.npmjs.org/@types/cors/-/cors-2.8.12.tgz",
+      "integrity": "sha512-vt+kDhq/M2ayberEtJcIN/hxXy1Pk+59g2FV/ZQceeaTyCtCucjL2Q7FXlFjtWn4n15KCr1NE2lNNFhp0lEThw=="
+    },
+    "@types/node": {
+      "version": "16.7.1",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-16.7.1.tgz",
+      "integrity": "sha512-ncRdc45SoYJ2H4eWU9ReDfp3vtFqDYhjOsKlFFUDEn8V1Bgr2RjYal8YT5byfadWIRluhPFU6JiDOl0H6Sl87A=="
+    },
     "accepts": {
       "version": "1.3.7",
       "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.7.tgz",
@@ -13,48 +33,20 @@
         "negotiator": "0.6.2"
       }
     },
-    "after": {
-      "version": "0.8.2",
-      "resolved": "https://registry.npmjs.org/after/-/after-0.8.2.tgz",
-      "integrity": "sha1-/ts5T58OAqqXaOcCvaI7UF+ufh8="
-    },
     "array-flatten": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/array-flatten/-/array-flatten-1.1.1.tgz",
       "integrity": "sha1-ml9pkFGx5wczKPKgCJaLZOopVdI="
     },
-    "arraybuffer.slice": {
-      "version": "0.0.6",
-      "resolved": "https://registry.npmjs.org/arraybuffer.slice/-/arraybuffer.slice-0.0.6.tgz",
-      "integrity": "sha1-8zshWfBTKj8xB6JywMz70a0peco="
-    },
-    "backo2": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/backo2/-/backo2-1.0.2.tgz",
-      "integrity": "sha1-MasayLEpNjRj41s+u2n038+6eUc="
-    },
     "base64-arraybuffer": {
-      "version": "0.1.5",
-      "resolved": "https://registry.npmjs.org/base64-arraybuffer/-/base64-arraybuffer-0.1.5.tgz",
-      "integrity": "sha1-c5JncZI7Whl0etZmqlzUv5xunOg="
+      "version": "0.1.4",
+      "resolved": "https://registry.npmjs.org/base64-arraybuffer/-/base64-arraybuffer-0.1.4.tgz",
+      "integrity": "sha1-mBjHngWbE1X5fgQooBfIOOkLqBI="
     },
     "base64id": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/base64id/-/base64id-1.0.0.tgz",
-      "integrity": "sha1-R2iMuZu2gE8OBtPnY7HDLlfY5rY="
-    },
-    "better-assert": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/better-assert/-/better-assert-1.0.2.tgz",
-      "integrity": "sha1-QIZrnhueC1W0gYlDEeaPr/rrxSI=",
-      "requires": {
-        "callsite": "1.0.0"
-      }
-    },
-    "blob": {
-      "version": "0.0.4",
-      "resolved": "https://registry.npmjs.org/blob/-/blob-0.0.4.tgz",
-      "integrity": "sha1-vPEwUspURj8w+fx+lbmkdjCpSSE="
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/base64id/-/base64id-2.0.0.tgz",
+      "integrity": "sha512-lGe34o6EHj9y3Kts9R4ZYs/Gr+6N7MCaMlIFA3F1R2O5/m7K06AxfSeO5530PEERE6/WyEg3lsuyw4GHlPZHog=="
     },
     "body-parser": {
       "version": "1.19.0",
@@ -78,25 +70,10 @@
       "resolved": "https://registry.npmjs.org/bytes/-/bytes-3.1.0.tgz",
       "integrity": "sha512-zauLjrfCG+xvoyaqLoV8bLVXXNGC4JqlxFCutSDWA6fJrTo2ZuvLYTqZ7aHBLZSMOopbzwv8f+wZcVzfVTI2Dg=="
     },
-    "callsite": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/callsite/-/callsite-1.0.0.tgz",
-      "integrity": "sha1-KAOY5dZkvXQDi28JBRU+borxvCA="
-    },
-    "component-bind": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/component-bind/-/component-bind-1.0.0.tgz",
-      "integrity": "sha1-AMYIq33Nk4l8AAllGx06jh5zu9E="
-    },
     "component-emitter": {
-      "version": "1.2.1",
-      "resolved": "https://registry.npmjs.org/component-emitter/-/component-emitter-1.2.1.tgz",
-      "integrity": "sha1-E3kY1teCg/ffemt8WmPhQOaUJeY="
-    },
-    "component-inherit": {
-      "version": "0.0.3",
-      "resolved": "https://registry.npmjs.org/component-inherit/-/component-inherit-0.0.3.tgz",
-      "integrity": "sha1-ZF/ErfWLcrZJ1crmUTVhnbJv8UM="
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/component-emitter/-/component-emitter-1.3.0.tgz",
+      "integrity": "sha512-Rd3se6QB+sO1TwqZjscQrurpEPIfO0/yYnSin6Q/rD3mOutHvUrCAhJub3r90uNb+SESBuE0QYoB90YdfatsRg=="
     },
     "content-disposition": {
       "version": "0.5.3",
@@ -121,6 +98,15 @@
       "resolved": "https://registry.npmjs.org/cookie-signature/-/cookie-signature-1.0.6.tgz",
       "integrity": "sha1-4wOogrNCzD7oylE6eZmXNNqzriw="
     },
+    "cors": {
+      "version": "2.8.5",
+      "resolved": "https://registry.npmjs.org/cors/-/cors-2.8.5.tgz",
+      "integrity": "sha512-KIHbLJqu73RGr/hnbrO9uBeixNGuvSQjul/jdFvS/KFSIH1hWVd1ng7zOHx+YrEfInLG7q4n6GHQ9cDtxv/P6g==",
+      "requires": {
+        "object-assign": "^4",
+        "vary": "^1"
+      }
+    },
     "debug": {
       "version": "2.6.9",
       "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
@@ -150,97 +136,45 @@
       "integrity": "sha1-rT/0yG7C0CkyL1oCw6mmBslbP1k="
     },
     "engine.io": {
-      "version": "1.8.5",
-      "resolved": "https://registry.npmjs.org/engine.io/-/engine.io-1.8.5.tgz",
-      "integrity": "sha512-j1DWIcktw4hRwrv6nWx++5nFH2X64x16MAG2P0Lmi5Dvdfi3I+Jhc7JKJIdAmDJa+5aZ/imHV7dWRPy2Cqjh3A==",
+      "version": "5.1.1",
+      "resolved": "https://registry.npmjs.org/engine.io/-/engine.io-5.1.1.tgz",
+      "integrity": "sha512-aMWot7H5aC8L4/T8qMYbLdvKlZOdJTH54FxfdFunTGvhMx1BHkJOntWArsVfgAZVwAO9LC2sryPWRcEeUzCe5w==",
       "requires": {
-        "accepts": "1.3.3",
-        "base64id": "1.0.0",
-        "cookie": "0.3.1",
-        "debug": "2.3.3",
-        "engine.io-parser": "1.3.2",
-        "ws": "~1.1.5"
+        "accepts": "~1.3.4",
+        "base64id": "2.0.0",
+        "cookie": "~0.4.1",
+        "cors": "~2.8.5",
+        "debug": "~4.3.1",
+        "engine.io-parser": "~4.0.0",
+        "ws": "~7.4.2"
       },
       "dependencies": {
-        "accepts": {
-          "version": "1.3.3",
-          "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.3.tgz",
-          "integrity": "sha1-w8p0NJOGSMPg2cHjKN1otiLChMo=",
-          "requires": {
-            "mime-types": "~2.1.11",
-            "negotiator": "0.6.1"
-          }
-        },
         "cookie": {
-          "version": "0.3.1",
-          "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.3.1.tgz",
-          "integrity": "sha1-5+Ch+e9DtMi6klxcWpboBtFoc7s="
+          "version": "0.4.1",
+          "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.4.1.tgz",
+          "integrity": "sha512-ZwrFkGJxUR3EIoXtO+yVE69Eb7KlixbaeAWfBQB9vVsNn/o+Yw69gBWSSDK825hQNdN+wF8zELf3dFNl/kxkUA=="
         },
         "debug": {
-          "version": "2.3.3",
-          "resolved": "https://registry.npmjs.org/debug/-/debug-2.3.3.tgz",
-          "integrity": "sha1-QMRT5n5uE8kB3ewxeviYbNqe/4w=",
+          "version": "4.3.2",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.2.tgz",
+          "integrity": "sha512-mOp8wKcvj7XxC78zLgw/ZA+6TSgkoE2C/ienthhRD298T7UNwAg9diBpLRxC0mOezLl4B0xV7M0cCO6P/O0Xhw==",
           "requires": {
-            "ms": "0.7.2"
+            "ms": "2.1.2"
           }
         },
         "ms": {
-          "version": "0.7.2",
-          "resolved": "https://registry.npmjs.org/ms/-/ms-0.7.2.tgz",
-          "integrity": "sha1-riXPJRKziFodldfwN4aNhDESR2U="
-        },
-        "negotiator": {
-          "version": "0.6.1",
-          "resolved": "https://registry.npmjs.org/negotiator/-/negotiator-0.6.1.tgz",
-          "integrity": "sha1-KzJxhOiZIQEXeyhWP7XnECrNDKk="
-        }
-      }
-    },
-    "engine.io-client": {
-      "version": "1.8.5",
-      "resolved": "https://registry.npmjs.org/engine.io-client/-/engine.io-client-1.8.5.tgz",
-      "integrity": "sha512-AYTgHyeVUPitsseqjoedjhYJapNVoSPShbZ+tEUX9/73jgZ/Z3sUlJf9oYgdEBBdVhupUpUqSxH0kBCXlQnmZg==",
-      "requires": {
-        "component-emitter": "1.2.1",
-        "component-inherit": "0.0.3",
-        "debug": "2.3.3",
-        "engine.io-parser": "1.3.2",
-        "has-cors": "1.1.0",
-        "indexof": "0.0.1",
-        "parsejson": "0.0.3",
-        "parseqs": "0.0.5",
-        "parseuri": "0.0.5",
-        "ws": "~1.1.5",
-        "xmlhttprequest-ssl": "1.5.3",
-        "yeast": "0.1.2"
-      },
-      "dependencies": {
-        "debug": {
-          "version": "2.3.3",
-          "resolved": "https://registry.npmjs.org/debug/-/debug-2.3.3.tgz",
-          "integrity": "sha1-QMRT5n5uE8kB3ewxeviYbNqe/4w=",
-          "requires": {
-            "ms": "0.7.2"
-          }
-        },
-        "ms": {
-          "version": "0.7.2",
-          "resolved": "https://registry.npmjs.org/ms/-/ms-0.7.2.tgz",
-          "integrity": "sha1-riXPJRKziFodldfwN4aNhDESR2U="
+          "version": "2.1.2",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
+          "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w=="
         }
       }
     },
     "engine.io-parser": {
-      "version": "1.3.2",
-      "resolved": "https://registry.npmjs.org/engine.io-parser/-/engine.io-parser-1.3.2.tgz",
-      "integrity": "sha1-k3sHnwAH0Ik+xW1GyyILjLQ1Igo=",
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/engine.io-parser/-/engine.io-parser-4.0.2.tgz",
+      "integrity": "sha512-sHfEQv6nmtJrq6TKuIz5kyEKH/qSdK56H/A+7DnAuUPWosnIZAS2NHNcPLmyjtY3cGS/MqJdZbUjW97JU72iYg==",
       "requires": {
-        "after": "0.8.2",
-        "arraybuffer.slice": "0.0.6",
-        "base64-arraybuffer": "0.1.5",
-        "blob": "0.0.4",
-        "has-binary": "0.1.7",
-        "wtf-8": "1.0.0"
+        "base64-arraybuffer": "0.1.4"
       }
     },
     "escape-html": {
@@ -314,19 +248,6 @@
       "resolved": "https://registry.npmjs.org/fresh/-/fresh-0.5.2.tgz",
       "integrity": "sha1-PYyt2Q2XZWn6g1qx+OSyOhBWBac="
     },
-    "has-binary": {
-      "version": "0.1.7",
-      "resolved": "https://registry.npmjs.org/has-binary/-/has-binary-0.1.7.tgz",
-      "integrity": "sha1-aOYesWIQyVRaClzOBqhzkS/h5ow=",
-      "requires": {
-        "isarray": "0.0.1"
-      }
-    },
-    "has-cors": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/has-cors/-/has-cors-1.1.0.tgz",
-      "integrity": "sha1-XkdHk/fqmEPRu5nCPu9J/xJv/zk="
-    },
     "http-errors": {
       "version": "1.7.2",
       "resolved": "https://registry.npmjs.org/http-errors/-/http-errors-1.7.2.tgz",
@@ -347,11 +268,6 @@
         "safer-buffer": ">= 2.1.2 < 3"
       }
     },
-    "indexof": {
-      "version": "0.0.1",
-      "resolved": "https://registry.npmjs.org/indexof/-/indexof-0.0.1.tgz",
-      "integrity": "sha1-gtwzbSMrkGIXnQWrMpOmYFn9Q10="
-    },
     "inherits": {
       "version": "2.0.3",
       "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.3.tgz",
@@ -362,16 +278,6 @@
       "resolved": "https://registry.npmjs.org/ipaddr.js/-/ipaddr.js-1.9.1.tgz",
       "integrity": "sha512-0KI/607xoxSToH7GjN1FfSbLoU0+btTicjsQSWQlh/hZykN8KpmMf7uYwPW3R+akZ6R/w18ZlXSHBYXiYUPO3g=="
     },
-    "isarray": {
-      "version": "0.0.1",
-      "resolved": "https://registry.npmjs.org/isarray/-/isarray-0.0.1.tgz",
-      "integrity": "sha1-ihis/Kmo9Bd+Cav8YDiTmwXR7t8="
-    },
-    "json3": {
-      "version": "3.3.2",
-      "resolved": "https://registry.npmjs.org/json3/-/json3-3.3.2.tgz",
-      "integrity": "sha1-PAQ0dD35Pi9cQq7nsZvLSDV19OE="
-    },
     "media-typer": {
       "version": "0.3.0",
       "resolved": "https://registry.npmjs.org/media-typer/-/media-typer-0.3.0.tgz",
@@ -416,14 +322,9 @@
       "integrity": "sha512-hZXc7K2e+PgeI1eDBe/10Ard4ekbfrrqG8Ep+8Jmf4JID2bNg7NvCPOZN+kfF574pFQI7mum2AUqDidoKqcTOw=="
     },
     "object-assign": {
-      "version": "4.1.0",
-      "resolved": "https://registry.npmjs.org/object-assign/-/object-assign-4.1.0.tgz",
-      "integrity": "sha1-ejs9DpgGPUP0wD8uiubNUahog6A="
-    },
-    "object-component": {
-      "version": "0.0.3",
-      "resolved": "https://registry.npmjs.org/object-component/-/object-component-0.0.3.tgz",
-      "integrity": "sha1-8MaapQ78lbhmwYb0AKM3acsvEpE="
+      "version": "4.1.1",
+      "resolved": "https://registry.npmjs.org/object-assign/-/object-assign-4.1.1.tgz",
+      "integrity": "sha1-IQmtx5ZYh8/AXLvUQsrIv7s2CGM="
     },
     "on-finished": {
       "version": "2.3.0",
@@ -433,35 +334,6 @@
         "ee-first": "1.1.1"
       }
     },
-    "options": {
-      "version": "0.0.6",
-      "resolved": "https://registry.npmjs.org/options/-/options-0.0.6.tgz",
-      "integrity": "sha1-7CLTEoBrtT5zF3Pnza788cZDEo8="
-    },
-    "parsejson": {
-      "version": "0.0.3",
-      "resolved": "https://registry.npmjs.org/parsejson/-/parsejson-0.0.3.tgz",
-      "integrity": "sha1-q343WfIJ7OmUN5c/fQ8fZK4OZKs=",
-      "requires": {
-        "better-assert": "~1.0.0"
-      }
-    },
-    "parseqs": {
-      "version": "0.0.5",
-      "resolved": "https://registry.npmjs.org/parseqs/-/parseqs-0.0.5.tgz",
-      "integrity": "sha1-1SCKNzjkZ2bikbouoXNoSSGouJ0=",
-      "requires": {
-        "better-assert": "~1.0.0"
-      }
-    },
-    "parseuri": {
-      "version": "0.0.5",
-      "resolved": "https://registry.npmjs.org/parseuri/-/parseuri-0.0.5.tgz",
-      "integrity": "sha1-gCBKUNTbt3m/3G6+J3jZDkvOMgo=",
-      "requires": {
-        "better-assert": "~1.0.0"
-      }
-    },
     "parseurl": {
       "version": "1.3.3",
       "resolved": "https://registry.npmjs.org/parseurl/-/parseurl-1.3.3.tgz",
@@ -556,119 +428,63 @@
       "integrity": "sha512-JvdAWfbXeIGaZ9cILp38HntZSFSo3mWg6xGcJJsd+d4aRMOqauag1C63dJfDw7OaMYwEbHMOxEZ1lqVRYP2OAw=="
     },
     "socket.io": {
-      "version": "1.7.4",
-      "resolved": "https://registry.npmjs.org/socket.io/-/socket.io-1.7.4.tgz",
-      "integrity": "sha1-L37O3DORvy1cc+KR/iM+bjTU3QA=",
+      "version": "4.1.3",
+      "resolved": "https://registry.npmjs.org/socket.io/-/socket.io-4.1.3.tgz",
+      "integrity": "sha512-tLkaY13RcO4nIRh1K2hT5iuotfTaIQw7cVIe0FUykN3SuQi0cm7ALxuyT5/CtDswOMWUzMGTibxYNx/gU7In+Q==",
       "requires": {
-        "debug": "2.3.3",
-        "engine.io": "~1.8.4",
-        "has-binary": "0.1.7",
-        "object-assign": "4.1.0",
-        "socket.io-adapter": "0.5.0",
-        "socket.io-client": "1.7.4",
-        "socket.io-parser": "2.3.1"
+        "@types/cookie": "^0.4.0",
+        "@types/cors": "^2.8.10",
+        "@types/node": ">=10.0.0",
+        "accepts": "~1.3.4",
+        "base64id": "~2.0.0",
+        "debug": "~4.3.1",
+        "engine.io": "~5.1.1",
+        "socket.io-adapter": "~2.3.1",
+        "socket.io-parser": "~4.0.4"
       },
       "dependencies": {
         "debug": {
-          "version": "2.3.3",
-          "resolved": "https://registry.npmjs.org/debug/-/debug-2.3.3.tgz",
-          "integrity": "sha1-QMRT5n5uE8kB3ewxeviYbNqe/4w=",
+          "version": "4.3.2",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.2.tgz",
+          "integrity": "sha512-mOp8wKcvj7XxC78zLgw/ZA+6TSgkoE2C/ienthhRD298T7UNwAg9diBpLRxC0mOezLl4B0xV7M0cCO6P/O0Xhw==",
           "requires": {
-            "ms": "0.7.2"
+            "ms": "2.1.2"
           }
         },
         "ms": {
-          "version": "0.7.2",
-          "resolved": "https://registry.npmjs.org/ms/-/ms-0.7.2.tgz",
-          "integrity": "sha1-riXPJRKziFodldfwN4aNhDESR2U="
+          "version": "2.1.2",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
+          "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w=="
         }
       }
     },
     "socket.io-adapter": {
-      "version": "0.5.0",
-      "resolved": "https://registry.npmjs.org/socket.io-adapter/-/socket.io-adapter-0.5.0.tgz",
-      "integrity": "sha1-y21LuL7IHhB4uZZ3+c7QBGBmu4s=",
-      "requires": {
-        "debug": "2.3.3",
-        "socket.io-parser": "2.3.1"
-      },
-      "dependencies": {
-        "debug": {
-          "version": "2.3.3",
-          "resolved": "https://registry.npmjs.org/debug/-/debug-2.3.3.tgz",
-          "integrity": "sha1-QMRT5n5uE8kB3ewxeviYbNqe/4w=",
-          "requires": {
-            "ms": "0.7.2"
-          }
-        },
-        "ms": {
-          "version": "0.7.2",
-          "resolved": "https://registry.npmjs.org/ms/-/ms-0.7.2.tgz",
-          "integrity": "sha1-riXPJRKziFodldfwN4aNhDESR2U="
-        }
-      }
-    },
-    "socket.io-client": {
-      "version": "1.7.4",
-      "resolved": "https://registry.npmjs.org/socket.io-client/-/socket.io-client-1.7.4.tgz",
-      "integrity": "sha1-7J+CA1btme9tNX8HVtZIcXvdQoE=",
-      "requires": {
-        "backo2": "1.0.2",
-        "component-bind": "1.0.0",
-        "component-emitter": "1.2.1",
-        "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"
-      },
-      "dependencies": {
-        "debug": {
-          "version": "2.3.3",
-          "resolved": "https://registry.npmjs.org/debug/-/debug-2.3.3.tgz",
-          "integrity": "sha1-QMRT5n5uE8kB3ewxeviYbNqe/4w=",
-          "requires": {
-            "ms": "0.7.2"
-          }
-        },
-        "ms": {
-          "version": "0.7.2",
-          "resolved": "https://registry.npmjs.org/ms/-/ms-0.7.2.tgz",
-          "integrity": "sha1-riXPJRKziFodldfwN4aNhDESR2U="
-        }
-      }
+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/socket.io-adapter/-/socket.io-adapter-2.3.1.tgz",
+      "integrity": "sha512-8cVkRxI8Nt2wadkY6u60Y4rpW3ejA1rxgcK2JuyIhmF+RMNpTy1QRtkHIDUOf3B4HlQwakMsWbKftMv/71VMmw=="
     },
     "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=",
+      "version": "4.0.4",
+      "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-4.0.4.tgz",
+      "integrity": "sha512-t+b0SS+IxG7Rxzda2EVvyBZbvFPBCjJoyHuE0P//7OAsN23GItzDRdWa6ALxZI/8R5ygK7jAR6t028/z+7295g==",
       "requires": {
-        "component-emitter": "1.1.2",
-        "debug": "2.2.0",
-        "isarray": "0.0.1",
-        "json3": "3.3.2"
+        "@types/component-emitter": "^1.2.10",
+        "component-emitter": "~1.3.0",
+        "debug": "~4.3.1"
       },
       "dependencies": {
-        "component-emitter": {
-          "version": "1.1.2",
-          "resolved": "https://registry.npmjs.org/component-emitter/-/component-emitter-1.1.2.tgz",
-          "integrity": "sha1-KWWU8nU9qmOZbSrwjRWpURbJrsM="
-        },
         "debug": {
-          "version": "2.2.0",
-          "resolved": "https://registry.npmjs.org/debug/-/debug-2.2.0.tgz",
-          "integrity": "sha1-+HBX6ZWxofauaklgZkE3vFbwOdo=",
+          "version": "4.3.2",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.2.tgz",
+          "integrity": "sha512-mOp8wKcvj7XxC78zLgw/ZA+6TSgkoE2C/ienthhRD298T7UNwAg9diBpLRxC0mOezLl4B0xV7M0cCO6P/O0Xhw==",
           "requires": {
-            "ms": "0.7.1"
+            "ms": "2.1.2"
           }
         },
         "ms": {
-          "version": "0.7.1",
-          "resolved": "https://registry.npmjs.org/ms/-/ms-0.7.1.tgz",
-          "integrity": "sha1-nNE8A62/8ltl7/3nzoZO6VIBcJg="
+          "version": "2.1.2",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
+          "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w=="
         }
       }
     },
@@ -677,11 +493,6 @@
       "resolved": "https://registry.npmjs.org/statuses/-/statuses-1.5.0.tgz",
       "integrity": "sha1-Fhx9rBd2Wf2YEfQ3cfqZOBR4Yow="
     },
-    "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="
-    },
     "toidentifier": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/toidentifier/-/toidentifier-1.0.0.tgz",
@@ -696,11 +507,6 @@
         "mime-types": "~2.1.24"
       }
     },
-    "ultron": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/ultron/-/ultron-1.0.2.tgz",
-      "integrity": "sha1-rOEWq1V80Zc4ak6I9GhTeMiy5Po="
-    },
     "unpipe": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz",
@@ -717,28 +523,9 @@
       "integrity": "sha1-IpnwLG3tMNSllhsLn3RSShj2NPw="
     },
     "ws": {
-      "version": "1.1.5",
-      "resolved": "https://registry.npmjs.org/ws/-/ws-1.1.5.tgz",
-      "integrity": "sha512-o3KqipXNUdS7wpQzBHSe180lBGO60SoK0yVo3CYJgb2MkobuWuBX6dhkYP5ORCLd55y+SaflMOV5fqAB53ux4w==",
-      "requires": {
-        "options": ">=0.0.5",
-        "ultron": "1.0.x"
-      }
-    },
-    "wtf-8": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/wtf-8/-/wtf-8-1.0.0.tgz",
-      "integrity": "sha1-OS2LotDxw00e4tYw8V0O+2jhBIo="
-    },
-    "xmlhttprequest-ssl": {
-      "version": "1.5.3",
-      "resolved": "https://registry.npmjs.org/xmlhttprequest-ssl/-/xmlhttprequest-ssl-1.5.3.tgz",
-      "integrity": "sha1-GFqIjATspGw+QHDZn3tJ3jUomS0="
-    },
-    "yeast": {
-      "version": "0.1.2",
-      "resolved": "https://registry.npmjs.org/yeast/-/yeast-0.1.2.tgz",
-      "integrity": "sha1-AI4G2AlDIMNy28L47XagymyKxBk="
+      "version": "7.4.6",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-7.4.6.tgz",
+      "integrity": "sha512-YmhHDO4MzaDLB+M9ym/mDA5z0naX8j7SIlT8f8z+I0VtzsRbekxEutHSme7NPS2qE8StCYQNUnfWdXta/Yu85A=="
     }
   }
 }
diff --git a/package.json b/package.json
index 5a46c7b..3e2901c 100644
--- a/package.json
+++ b/package.json
@@ -12,7 +12,7 @@
   "license": "ISC",
   "dependencies": {
     "express": "^4.15.2",
-    "socket.io": "^1.7.3"
+    "socket.io": "^4.0.0"
   },
   "repository": {
     "type": "git",