diff --git a/package-lock.json b/package-lock.json
index 72a672b..d137492 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4,18 +4,58 @@
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+        "@types/minimatch": "*",
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+      "resolved": "https://registry.npmjs.org/@types/minimatch/-/minimatch-3.0.3.tgz",
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+          "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.27.tgz",
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@@ -84,6 +124,11 @@
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@@ -127,6 +172,11 @@
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-      "integrity": "sha1-Qmu52oQJDBg42BLIFQryCoMx4pY="
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+        "mime-db": ">= 1.43.0 < 2"
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@@ -2063,9 +2133,9 @@
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-      "integrity": "sha1-sGhzk0vF40T+9hGhlqb6rgruAVo="
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@@ -2086,9 +2156,12 @@
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-      "integrity": "sha1-DPaLud318r55YcOoUXjLhdunjLQ="
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@@ -2106,9 +2179,9 @@
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@@ -2500,9 +2573,24 @@
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@@ -2836,6 +2969,14 @@
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@@ -3466,38 +3607,38 @@
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-            "get-caller-file": "^1.0.1",
-            "os-locale": "^1.4.0",
-            "read-pkg-up": "^1.0.1",
+            "cliui": "^5.0.0",
+            "find-up": "^3.0.0",
+            "get-caller-file": "^2.0.1",
             "require-directory": "^2.1.1",
-            "require-main-filename": "^1.0.1",
+            "require-main-filename": "^2.0.0",
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-            "string-width": "^1.0.2",
-            "which-module": "^1.0.0",
-            "y18n": "^3.2.1",
-            "yargs-parser": "^4.2.0"
+            "string-width": "^3.0.0",
+            "which-module": "^2.0.0",
+            "y18n": "^4.0.0",
+            "yargs-parser": "^13.1.2"
           }
         },
         "yargs-parser": {
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-          "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-4.2.1.tgz",
-          "integrity": "sha1-KczqwNxPA8bIe0qfIX3RjJ90hxw=",
+          "version": "13.1.2",
+          "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-13.1.2.tgz",
+          "integrity": "sha512-3lbsNRf/j+A4QuSZfDRA7HRSfWrzO0YjqTJd5kjAq37Zep1CEgaYmrH9Q3GwPiB9cHyd1Y1UwggGhJGoxipbzg==",
           "requires": {
-            "camelcase": "^3.0.0"
+            "camelcase": "^5.0.0",
+            "decamelize": "^1.2.0"
           }
         }
       }
     },
+    "webpack-log": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/webpack-log/-/webpack-log-2.0.0.tgz",
+      "integrity": "sha512-cX8G2vR/85UYG59FgkoMamwHUIkSSlV3bBMRsbxVXVUk2j6NleCKjQ/WE9eYg9WY4w25O9w8wKP4rzNZFmUcUg==",
+      "requires": {
+        "ansi-colors": "^3.0.0",
+        "uuid": "^3.3.2"
+      }
+    },
     "webpack-manifest-plugin": {
       "version": "1.3.2",
       "resolved": "https://registry.npmjs.org/webpack-manifest-plugin/-/webpack-manifest-plugin-1.3.2.tgz",
@@ -11128,6 +12161,14 @@
         "signal-exit": "^3.0.2"
       }
     },
+    "ws": {
+      "version": "6.2.1",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-6.2.1.tgz",
+      "integrity": "sha512-GIyAXC2cB7LjvpgMt9EKS2ldqr0MTrORaleiOno6TweZ6r3TKtoFQWay/2PceJ3RuBasOHzXNn5Lrw1X0bEjqA==",
+      "requires": {
+        "async-limiter": "~1.0.0"
+      }
+    },
     "xdg-basedir": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/xdg-basedir/-/xdg-basedir-3.0.0.tgz",
diff --git a/package.json b/package.json
index a989ce0..da37f01 100644
--- a/package.json
+++ b/package.json
@@ -42,7 +42,7 @@
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     "url-loader": "0.6.2",
     "webpack": "3.8.1",
-    "webpack-dev-server": "2.9.4",
+    "webpack-dev-server": "3.11.0",
     "webpack-manifest-plugin": "1.3.2",
     "whatwg-fetch": "2.0.3"
   },