diff --git a/package-lock.json b/package-lock.json
index bd2d999..5d92545 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -25,7 +25,7 @@
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         "vue-template-compiler": "^2.4.4",
         "webpack": "^3.6.0",
-        "webpack-dev-server": "^2.9.1"
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@@ -86,6 +86,15 @@
         "uri-js": "^4.2.1"
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+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/ajv-errors/-/ajv-errors-1.0.1.tgz",
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+      "dev": true,
+      "peerDependencies": {
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+      }
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       "resolved": "https://registry.npmjs.org/ajv-keywords/-/ajv-keywords-3.2.0.tgz",
@@ -112,6 +121,15 @@
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       "dev": true
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+    "node_modules/ansi-colors": {
+      "version": "3.2.4",
+      "resolved": "https://registry.npmjs.org/ansi-colors/-/ansi-colors-3.2.4.tgz",
+      "integrity": "sha512-hHUXGagefjN2iRrID63xckIvotOXOojhQKWIPUZ4mNUZ9nLZW+7FMNoE1lOkEhNWYsx/7ysGIuJYCiMAA9FnrA==",
+      "dev": true,
+      "engines": {
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@@ -188,34 +206,12 @@
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@@ -357,14 +353,6 @@
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@@ -1410,28 +1398,6 @@
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@@ -1507,7 +1473,6 @@
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@@ -2075,18 +2040,6 @@
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@@ -2146,17 +2099,44 @@
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-      "integrity": "sha1-g6c/L+pWmJj7c3GTyPhzyvbUXJQ=",
+    "node_modules/default-gateway": {
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+      "resolved": "https://registry.npmjs.org/default-gateway/-/default-gateway-2.7.2.tgz",
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+      "dev": true,
+      "os": [
+        "android",
+        "darwin",
+        "freebsd",
+        "linux",
+        "openbsd",
+        "sunos",
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+        "ip-regex": "^2.1.0"
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+    "node_modules/default-gateway/node_modules/execa": {
+      "version": "0.10.0",
+      "resolved": "https://registry.npmjs.org/execa/-/execa-0.10.0.tgz",
+      "integrity": "sha512-7XOMnz8Ynx1gGo/3hyV9loYNPWM94jG3+3T3Y8tsfSstFmETmENCMU/A/zj8Lyaj1lkgEepKepvd6240tBRvlw==",
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-        "foreach": "^2.0.5",
-        "object-keys": "^1.0.8"
+        "cross-spawn": "^6.0.0",
+        "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",
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@@ -2280,9 +2260,9 @@
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-      "integrity": "sha1-ogM8CcyOFY03dI+951B4Mr1s4Sc=",
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@@ -2385,6 +2365,15 @@
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+      "resolved": "https://registry.npmjs.org/end-of-stream/-/end-of-stream-1.4.4.tgz",
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+      "dev": true,
+      "dependencies": {
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+      }
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@@ -2421,36 +2410,6 @@
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@@ -2615,9 +2574,9 @@
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@@ -2630,15 +2589,15 @@
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-      "integrity": "sha1-Cs7ehJ7X3RzMMsgRuxG5RNTykjI=",
+      "version": "1.0.7",
+      "resolved": "https://registry.npmjs.org/eventsource/-/eventsource-1.0.7.tgz",
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-        "original": ">=0.0.5"
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@@ -2722,58 +2681,6 @@
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+      "funding": [
+        {
+          "type": "individual",
+          "url": "https://github.com/sponsors/RubenVerborgh"
+        }
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@@ -3104,24 +3000,6 @@
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@@ -17432,44 +16631,59 @@
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-          "integrity": "sha1-eC7CHvQDNF+DCoCMo9UTr1YGUgg=",
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-            "cliui": "^3.2.0",
-            "decamelize": "^1.1.1",
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+      "resolved": "https://registry.npmjs.org/webpack-log/-/webpack-log-2.0.0.tgz",
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@@ -17566,6 +16780,12 @@
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+      "resolved": "https://registry.npmjs.org/xregexp/-/xregexp-4.0.0.tgz",
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diff --git a/package.json b/package.json
index 7018d6b..9b6a503 100644
--- a/package.json
+++ b/package.json
@@ -32,6 +32,6 @@
     "vue-loader": "^13.0.5",
     "vue-template-compiler": "^2.4.4",
     "webpack": "^3.6.0",
-    "webpack-dev-server": "^2.9.1"
+    "webpack-dev-server": "^3.1.11"
   }
 }