diff --git a/package-lock.json b/package-lock.json
index 0a3ff49..76d6109 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,9 +1,38 @@
 {
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@@ -7390,6 +6668,60 @@
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+            "jsonfile": "^4.0.0",
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+          "resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-4.2.10.tgz",
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+          "dev": true
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+          "resolved": "https://registry.npmjs.org/jsonfile/-/jsonfile-4.0.0.tgz",
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+          "dev": true,
+          "requires": {
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+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
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       "resolved": "https://registry.npmjs.org/strict-uri-encode/-/strict-uri-encode-1.1.0.tgz",
@@ -7573,20 +6905,48 @@
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-      "integrity": "sha1-jzirlDjhcxXl29izZX6L+yd65Kc=",
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       "dev": true,
       "requires": {
-        "os-tmpdir": "~1.0.1"
+        "rimraf": "^3.0.0"
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+          "resolved": "https://registry.npmjs.org/glob/-/glob-7.2.3.tgz",
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+          "requires": {
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+            "inflight": "^1.0.4",
+            "inherits": "2",
+            "minimatch": "^3.1.1",
+            "once": "^1.3.0",
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+          "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.1.2.tgz",
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+          "dev": true,
+          "requires": {
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+          }
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+        "rimraf": {
+          "version": "3.0.2",
+          "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-3.0.2.tgz",
+          "integrity": "sha512-JZkJMZkAGFFPP2YqXZXPbMlMBgsxzE8ILs4lMIX/2o0L9UBw9O/Y3o6wFw/i9YLapcUJWwqbi3kdxIPdC62TIA==",
+          "dev": true,
+          "requires": {
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-    "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=",
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@@ -7599,6 +6959,29 @@
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       "dev": true
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+    "to-regex-range": {
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/to-regex-range/-/to-regex-range-5.0.1.tgz",
+      "integrity": "sha512-65P7iz6X5yEr1cwcgvQxbbIw7Uk3gOy5dIdtZ4rDveLqhrdJP+Li/Hx6tyK0NEb+2GCyneCMJiGqrADCSNk8sQ==",
+      "dev": true,
+      "requires": {
+        "is-number": "^7.0.0"
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+      "dependencies": {
+        "is-number": {
+          "version": "7.0.0",
+          "resolved": "https://registry.npmjs.org/is-number/-/is-number-7.0.0.tgz",
+          "integrity": "sha512-41Cifkg6e8TylSpdtTpeLVMqvSBEVzTttHvERD741+pnZ8ANv0004MRL43QKPDlK9cGvNp6NZWZUBlbGXYxxng==",
+          "dev": true
+        }
+      }
+    },
+    "toidentifier": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/toidentifier/-/toidentifier-1.0.1.tgz",
+      "integrity": "sha512-o5sSPKEkg/DIQNmH43V0/uerLrpzVedkUh8tGNvaeXpfpuwjKenlSox/2O/BTlZUtEe+JG7s5YhEz608PlAHRA==",
+      "dev": true
+    },
     "tough-cookie": {
       "version": "2.3.2",
       "resolved": "https://registry.npmjs.org/tough-cookie/-/tough-cookie-2.3.2.tgz",
@@ -7670,6 +7053,12 @@
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       "dev": true
     },
+    "ua-parser-js": {
+      "version": "0.7.32",
+      "resolved": "https://registry.npmjs.org/ua-parser-js/-/ua-parser-js-0.7.32.tgz",
+      "integrity": "sha512-f9BESNVhzlhEFf2CHMSj40NWOjYPl1YKYbrvIr/hFTDEmLq7SRbWvm7FcdcpCYT95zrOhC7gZSxjdnnTpBcwVw==",
+      "dev": true
+    },
     "uglify-js": {
       "version": "2.8.27",
       "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-2.8.27.tgz",
@@ -7702,12 +7091,6 @@
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-      "integrity": "sha1-rOEWq1V80Zc4ak6I9GhTeMiy5Po=",
-      "dev": true
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     "uniq": {
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       "resolved": "https://registry.npmjs.org/uniq/-/uniq-1.0.1.tgz",
@@ -7726,6 +7109,12 @@
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       "integrity": "sha1-/+3ks2slKQaW5uFl1KWe25mOawI="
     },
+    "universalify": {
+      "version": "0.1.2",
+      "resolved": "https://registry.npmjs.org/universalify/-/universalify-0.1.2.tgz",
+      "integrity": "sha512-rBJeI5CXAlmy1pV+617WB9J63U6XcazHHF2f2dbJix4XzpUF0RS3Zbj0FGIOCAva5P/d/GBOYaACQ1w+0azUkg==",
+      "dev": true
+    },
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       "resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz",
@@ -7759,16 +7148,6 @@
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-      "resolved": "https://registry.npmjs.org/useragent/-/useragent-2.1.13.tgz",
-      "integrity": "sha1-u6Q+iqJNXOuDwpN0c+EC4h33TBA=",
-      "dev": true,
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       "resolved": "https://registry.npmjs.org/util/-/util-0.10.3.tgz",
@@ -7834,8 +7213,7 @@
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-      "integrity": "sha1-Z1Neu2lMHVIldFeYRmUyP1h+jTc=",
-      "dev": true
+      "integrity": "sha1-Z1Neu2lMHVIldFeYRmUyP1h+jTc="
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@@ -7863,7 +7241,7 @@
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-      "integrity": "sha1-wGavtYK7HLQSjWDqkjkulNXp2+w=",
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@@ -8045,27 +7423,9 @@
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-      "dev": true,
-      "optional": true,
-      "requires": {
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-        "ultron": "1.0.x"
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-      "resolved": "https://registry.npmjs.org/wtf-8/-/wtf-8-1.0.0.tgz",
-      "integrity": "sha1-OS2LotDxw00e4tYw8V0O+2jhBIo=",
-      "dev": true
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-    "xmlhttprequest-ssl": {
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-      "resolved": "https://registry.npmjs.org/xmlhttprequest-ssl/-/xmlhttprequest-ssl-1.5.3.tgz",
-      "integrity": "sha1-GFqIjATspGw+QHDZn3tJ3jUomS0=",
-      "dev": true
+      "version": "8.2.3",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-8.2.3.tgz",
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@@ -8198,12 +7558,6 @@
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-      "integrity": "sha1-AI4G2AlDIMNy28L47XagymyKxBk=",
-      "dev": true
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   }
 }
diff --git a/package.json b/package.json
index f0b91f9..85d5e9f 100644
--- a/package.json
+++ b/package.json
@@ -29,14 +29,14 @@
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     "eslint-plugin-react": "^6.10.3",
     "express": "^4.14.0",
-    "karma": "^1.6.0",
+    "karma": "^6.4.1",
     "karma-chrome-launcher": "^2.2.0",
     "karma-mocha": "^1.3.0",
     "karma-phantomjs-launcher": "^1.0.4",
     "karma-webpack": "^2.0.3",
-    "mocha": "^3.2.0",
+    "mocha": "^3.5.3",
     "phantomjs-prebuilt": "^2.1.14",
-    "socket.io": "^1.7.2",
+    "socket.io": "^4.5.4",
     "webpack": "^2.3.1",
     "webpack-dev-middleware": "^1.10.1"
   },
@@ -44,7 +44,7 @@
     "d3": "^3.5.5",
     "intro.js": "^2.3.0",
     "moment": "^2.18.1",
-    "socket.io": "^1.7.2"
+    "socket.io": "^4.5.4"
   },
   "scripts": {
     "start": "node app.js",