diff --git a/package-lock.json b/package-lock.json
index a34aaba..e12aa48 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -163,7 +163,8 @@
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@@ -289,7 +290,8 @@
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-      "integrity": "sha1-R2iMuZu2gE8OBtPnY7HDLlfY5rY="
+      "integrity": "sha1-R2iMuZu2gE8OBtPnY7HDLlfY5rY=",
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@@ -340,7 +342,7 @@
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@@ -360,6 +362,16 @@
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@@ -826,57 +839,67 @@
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-        "cookie": "0.3.1",
-        "debug": "~3.1.0",
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+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
+          "integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA=="
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-          "integrity": "sha512-nnWLa/NwZSt4KQJu51MYlCcSQ5g7INpOrOMt4XV8j4dqTXdmlUmSHQ8/oLC069ckre0fRsgfvsKwbTdtKLCDkA==",
-          "requires": {
-            "async-limiter": "~1.0.0",
-            "safe-buffer": "~5.1.0",
-            "ultron": "~1.1.0"
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+          "resolved": "https://registry.npmjs.org/ws/-/ws-7.4.2.tgz",
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@@ -1251,7 +1274,8 @@
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       "integrity": "sha1-lpGEQOMEGnpBT4xS48V06zw+HgU=",
-      "dev": true
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@@ -1292,7 +1316,7 @@
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-      "resolved": "http://registry.npmjs.org/finalhandler/-/finalhandler-1.1.1.tgz",
+      "resolved": "https://registry.npmjs.org/finalhandler/-/finalhandler-1.1.1.tgz",
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@@ -1363,7 +1387,7 @@
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-          "resolved": "http://registry.npmjs.org/combined-stream/-/combined-stream-1.0.6.tgz",
+          "resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.6.tgz",
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@@ -1428,10 +1452,22 @@
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+          "resolved": "https://registry.npmjs.org/ajv/-/ajv-4.11.8.tgz",
+          "integrity": "sha1-gv+wKynmYq5TvcIK8VlHcGc5xTY=",
+          "dev": true,
+          "optional": true,
+          "requires": {
+            "co": "^4.6.0",
+            "json-stable-stringify": "^1.0.1"
+          }
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           "version": "2.1.1",
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-          "dev": true
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@@ -1452,12 +1488,14 @@
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           "version": "1.0.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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         "brace-expansion": {
           "version": "1.1.11",
           "bundled": true,
           "dev": true,
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@@ -1472,17 +1510,20 @@
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           "version": "1.1.0",
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-          "dev": true
+          "dev": true,
+          "optional": true
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         "concat-map": {
           "version": "0.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
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@@ -1523,6 +1564,13 @@
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           "optional": true
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+          "version": "1.0.2",
+          "resolved": "https://registry.npmjs.org/extsprintf/-/extsprintf-1.0.2.tgz",
+          "integrity": "sha1-4QgOBljjALBilJkMxw4VAiNf1VA=",
+          "dev": true,
+          "optional": true
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           "version": "1.2.5",
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@@ -1573,6 +1621,13 @@
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+          "version": "1.0.5",
+          "resolved": "https://registry.npmjs.org/har-schema/-/har-schema-1.0.5.tgz",
+          "integrity": "sha1-0mMTX0MwfALGAq/I/pWXDAFRNp4=",
+          "dev": true,
+          "optional": true
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@@ -1614,7 +1669,8 @@
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@@ -1626,6 +1682,7 @@
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@@ -1643,6 +1700,7 @@
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@@ -1650,12 +1708,14 @@
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           "bundled": true,
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@@ -1674,6 +1734,7 @@
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@@ -1731,6 +1792,26 @@
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+          },
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+              "resolved": "https://registry.npmjs.org/abbrev/-/abbrev-1.1.0.tgz",
+              "integrity": "sha1-0FVMIlZjbi9W58LlrRg/hZQo2B8=",
+              "dev": true,
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+              "resolved": "https://registry.npmjs.org/osenv/-/osenv-0.1.4.tgz",
+              "integrity": "sha1-Qv5tWVPfBsgGS+bxdsPQWqqjRkQ=",
+              "dev": true,
+              "optional": true,
+              "requires": {
+                "os-homedir": "^1.0.0",
+                "os-tmpdir": "^1.0.0"
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@@ -1758,7 +1839,8 @@
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-          "dev": true
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+          "optional": true
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@@ -1770,6 +1852,7 @@
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           "bundled": true,
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@@ -1855,7 +1938,8 @@
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@@ -1894,6 +1978,7 @@
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@@ -1913,6 +1998,7 @@
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           "bundled": true,
           "dev": true,
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@@ -1959,15 +2045,30 @@
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           "version": "1.0.2",
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-          "dev": true
+          "dev": true,
+          "optional": true
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           "version": "3.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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+    "fstream": {
+      "version": "1.0.11",
+      "resolved": "https://registry.npmjs.org/fstream/-/fstream-1.0.11.tgz",
+      "integrity": "sha1-XB+x8RdHcRTwYyoOtLcbPLD9MXE=",
+      "dev": true,
+      "optional": true,
+      "requires": {
+        "graceful-fs": "^4.1.2",
+        "inherits": "~2.0.0",
+        "mkdirp": ">=0.5 0",
+        "rimraf": "2"
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@@ -2108,9 +2209,16 @@
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+      "resolved": "https://registry.npmjs.org/hoek/-/hoek-2.16.3.tgz",
+      "integrity": "sha1-ILt0A9POo5jpHcRxCo/xuCdKJe0=",
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-      "resolved": "http://registry.npmjs.org/http-errors/-/http-errors-1.6.3.tgz",
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@@ -2413,6 +2521,16 @@
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+      "resolved": "https://registry.npmjs.org/json-stable-stringify/-/json-stable-stringify-1.0.1.tgz",
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+      "dev": true,
+      "optional": true,
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@@ -2420,6 +2538,13 @@
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+      "integrity": "sha1-LHS27kHZPKUbe1qu6PUDYx0lKnM=",
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@@ -3633,128 +3758,172 @@
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+      "resolved": "https://registry.npmjs.org/socket.io/-/socket.io-2.4.0.tgz",
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-        "engine.io": "~3.2.0",
+        "debug": "~4.1.0",
+        "engine.io": "~3.5.0",
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+        "base64-arraybuffer": {
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+          "integrity": "sha1-mBjHngWbE1X5fgQooBfIOOkLqBI="
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diff --git a/package.json b/package.json
index 2a9f8ff..850e39c 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,7 @@
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     "passport-local": "~1.0.0",
     "sequelize": "^4.39.0",
-    "socket.io": "^2.1.1",
+    "socket.io": "^2.4.0",
     "socket.io-client": "^2.1.1",
     "textangular": "~1.5.0"
   },