diff --git a/package-lock.json b/package-lock.json
index d1ab0f5..d6bb738 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -44,6 +44,11 @@
         "uri-js": "^4.2.2"
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+      "resolved": "https://registry.npmjs.org/ajv-errors/-/ajv-errors-1.0.1.tgz",
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+    },
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@@ -69,6 +74,11 @@
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       "integrity": "sha1-SlKCrBZHKek2Gbz9OtFR+BfOkfU="
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+      "resolved": "https://registry.npmjs.org/ansi-colors/-/ansi-colors-3.2.4.tgz",
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+    },
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@@ -126,26 +136,11 @@
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@@ -1240,18 +1235,9 @@
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-      "integrity": "sha1-fB0W1nmhu+WcoCys7PsBHiAfWh8="
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-      "resolved": "https://registry.npmjs.org/camelcase-keys/-/camelcase-keys-2.1.0.tgz",
-      "integrity": "sha1-MIvur/3ygRkFHvodkyITyRuPkuc=",
-      "requires": {
-        "camelcase": "^2.0.0",
-        "map-obj": "^1.0.0"
-      }
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-4.1.0.tgz",
+      "integrity": "sha1-1UVjW+HjPFQmScaRc+Xeas+uNN0="
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@@ -1361,13 +1347,28 @@
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-      "resolved": "https://registry.npmjs.org/cliui/-/cliui-3.2.0.tgz",
-      "integrity": "sha1-EgYBU3qRbSmUD5NNo7SNWFo5IT0=",
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/cliui/-/cliui-4.1.0.tgz",
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-        "strip-ansi": "^3.0.1",
+        "string-width": "^2.1.1",
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+          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-3.0.0.tgz",
+          "integrity": "sha1-7QMXwyIGT3lGbAKWa922Bas32Zg="
+        },
+        "strip-ansi": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-4.0.0.tgz",
+          "integrity": "sha1-qEeQIusaw2iocTibY1JixQXuNo8=",
+          "requires": {
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@@ -1776,14 +1777,6 @@
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@@ -1829,6 +1822,15 @@
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+      "resolved": "https://registry.npmjs.org/default-gateway/-/default-gateway-2.7.2.tgz",
+      "integrity": "sha512-lAc4i9QJR0YHSDFdzeBQKfZ1SRDG3hsJNEkrpcZa8QhBfidLAilT60BDEIVUUGqosFp425KOgB3uYqcnQrWafQ==",
+      "requires": {
+        "execa": "^0.10.0",
+        "ip-regex": "^2.1.0"
+      }
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       "resolved": "https://registry.npmjs.org/define-properties/-/define-properties-1.1.3.tgz",
@@ -2053,6 +2055,14 @@
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       "integrity": "sha1-rT/0yG7C0CkyL1oCw6mmBslbP1k="
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+    "end-of-stream": {
+      "version": "1.4.4",
+      "resolved": "https://registry.npmjs.org/end-of-stream/-/end-of-stream-1.4.4.tgz",
+      "integrity": "sha512-+uw1inIHVPQoaVuHzRyXd21icM+cnt4CzD5rW+NC1wjOUSTOs+Te7FOv7AhN7vS9x/oIyhLP5PR1H+phQAHu5Q==",
+      "requires": {
+        "once": "^1.4.0"
+      }
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@@ -2258,11 +2268,11 @@
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     "eventsource": {
-      "version": "0.1.6",
-      "resolved": "https://registry.npmjs.org/eventsource/-/eventsource-0.1.6.tgz",
-      "integrity": "sha1-Cs7ehJ7X3RzMMsgRuxG5RNTykjI=",
+      "version": "1.0.7",
+      "resolved": "https://registry.npmjs.org/eventsource/-/eventsource-1.0.7.tgz",
+      "integrity": "sha512-4Ln17+vVT0k8aWq+t/bF5arcS3EpT9gYtW66EPacdj/mAFevznsnyoHLPy2BA8gbIQeIHoPsvwmfBftfcG//BQ==",
       "requires": {
-        "original": ">=0.0.5"
+        "original": "^1.0.0"
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@@ -2274,6 +2284,34 @@
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+      "resolved": "https://registry.npmjs.org/execa/-/execa-0.10.0.tgz",
+      "integrity": "sha512-7XOMnz8Ynx1gGo/3hyV9loYNPWM94jG3+3T3Y8tsfSstFmETmENCMU/A/zj8Lyaj1lkgEepKepvd6240tBRvlw==",
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+        "get-stream": "^3.0.0",
+        "is-stream": "^1.1.0",
+        "npm-run-path": "^2.0.0",
+        "p-finally": "^1.0.0",
+        "signal-exit": "^3.0.0",
+        "strip-eof": "^1.0.0"
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+          "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-6.0.5.tgz",
+          "integrity": "sha512-eTVLrBSt7fjbDygz805pMnstIs2VTBNkRm0qxZd+M7A5XDdxVRWO5MxGBXZhjY4cqLYLdtrGqRf8mBPmzwSpWQ==",
+          "requires": {
+            "nice-try": "^1.0.4",
+            "path-key": "^2.0.1",
+            "semver": "^5.5.0",
+            "shebang-command": "^1.2.0",
+            "which": "^1.2.9"
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@@ -2306,44 +2344,6 @@
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-          "integrity": "sha512-cnrcCbj01+j2gTG921VZPnHbjmdAf8oQV/iGeV2kZxGSyfYjjTyY79ErsK1WJWMpw6DaApEX72binqJE+/d+5Q==",
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-            "randomatic": "^3.0.0",
-            "repeat-element": "^1.1.2",
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-          "integrity": "sha1-Afy7s5NGOlSPL0ZszhbezknbkI8=",
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@@ -2566,11 +2566,6 @@
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@@ -2657,14 +2652,6 @@
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@@ -2706,7 +2693,8 @@
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@@ -2724,11 +2712,13 @@
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@@ -2741,15 +2731,18 @@
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+          "bundled": true,
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@@ -2852,7 +2845,8 @@
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@@ -2862,6 +2856,7 @@
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@@ -2874,17 +2869,20 @@
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           "bundled": true,
+          "optional": true,
           "requires": {
             "brace-expansion": "^1.1.7"
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         "minimist": {
           "version": "0.0.8",
-          "bundled": true
+          "bundled": true,
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@@ -2901,6 +2899,7 @@
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@@ -2981,7 +2980,8 @@
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@@ -2991,6 +2991,7 @@
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           "bundled": true,
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@@ -3066,7 +3067,8 @@
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@@ -3096,6 +3098,7 @@
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           "bundled": true,
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@@ -3113,6 +3116,7 @@
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           "requires": {
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@@ -3151,11 +3155,13 @@
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+          "bundled": true,
+          "optional": true
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-      "integrity": "sha1-uWjGsKBDhDJJAui/Gl3zJXmkUP4="
+    "get-stream": {
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-      "integrity": "sha1-/Xqtcmvxpf0W38KbL3pmAdJxOcQ="
+      "version": "2.0.0",
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-      "integrity": "sha1-ZC6ISIUdZvCdTxJJEoRtuutBuDM=",
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-          "integrity": "sha1-nWPBMnbAZZGNV/ACpX9AobZD+wI=",
+        "p-limit": {
+          "version": "2.2.2",
+          "resolved": "https://registry.npmjs.org/p-limit/-/p-limit-2.2.2.tgz",
+          "integrity": "sha512-WGR+xHecKTr7EbUEhyLSh5Dube9JtdiG78ufaeLxTgpudf/20KqyMioIUZJAezlTIi6evxuoUs9YXc11cU+yzQ==",
           "requires": {
-            "find-up": "^1.0.0",
-            "read-pkg": "^1.0.0"
+            "p-try": "^2.0.0"
           }
         },
-        "strip-bom": {
-          "version": "2.0.0",
-          "resolved": "https://registry.npmjs.org/strip-bom/-/strip-bom-2.0.0.tgz",
-          "integrity": "sha1-YhmoVhZSBJHzV4i9vxRHqZx+aw4=",
+        "p-locate": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/p-locate/-/p-locate-3.0.0.tgz",
+          "integrity": "sha512-x+12w/To+4GFfgJhBEpiDcLozRJGegY+Ei7/z0tSLkMmxGZNybVMSfWj9aJn8Z5Fc7dBUNJOOVgPv2H7IwulSQ==",
           "requires": {
-            "is-utf8": "^0.2.0"
+            "p-limit": "^2.0.0"
           }
         },
-        "which-module": {
-          "version": "1.0.0",
-          "resolved": "https://registry.npmjs.org/which-module/-/which-module-1.0.0.tgz",
-          "integrity": "sha1-u6Y8qGGUiZT/MHc2CJ47lgJsKk8="
+        "p-try": {
+          "version": "2.2.0",
+          "resolved": "https://registry.npmjs.org/p-try/-/p-try-2.2.0.tgz",
+          "integrity": "sha512-R4nPAVTAU0B9D35/Gk3uJf/7XYbQcyohSKdvAxIRSNghFl4e71hVoGnBNQz9cWaXxO2I10KTC+3jMdvvoKw6dQ=="
         }
       }
     },
     "yargs-parser": {
-      "version": "4.2.1",
-      "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-4.2.1.tgz",
-      "integrity": "sha1-KczqwNxPA8bIe0qfIX3RjJ90hxw=",
+      "version": "10.1.0",
+      "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-10.1.0.tgz",
+      "integrity": "sha512-VCIyR1wJoEBZUqk5PA+oOBF6ypbwh5aNB3I50guxAL/quggdfs4TtNHQrSazFA3fYZ+tEqfs0zIGlv0c/rgjbQ==",
       "requires": {
-        "camelcase": "^3.0.0"
-      },
-      "dependencies": {
-        "camelcase": {
-          "version": "3.0.0",
-          "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-3.0.0.tgz",
-          "integrity": "sha1-MvxLn82vhF/N9+c7uXysImHwqwo="
-        }
+        "camelcase": "^4.1.0"
       }
     }
   }
diff --git a/package.json b/package.json
index 35ff87a..2082c9c 100644
--- a/package.json
+++ b/package.json
@@ -34,6 +34,6 @@
     "vue-loader": "^13.6.0",
     "vue-template-compiler": "^2.5.13",
     "webpack": "^3.10.0",
-    "webpack-dev-server": "2.9.7"
+    "webpack-dev-server": "3.1.11"
   }
 }