diff --git a/package-lock.json b/package-lock.json
index 79a2422..79584c4 100644
--- a/package-lock.json
+++ b/package-lock.json
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       "dev": true,
       "requires": {
+        "http-parser-js": ">=0.5.1",
+        "safe-buffer": ">=5.1.0",
         "websocket-extensions": ">=0.1.1"
       }
     },
@@ -10716,6 +13096,12 @@
       "integrity": "sha1-1QH5ezvbQDr4757MIFcxh6rawOk=",
       "dev": true
     },
+    "xregexp": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/xregexp/-/xregexp-4.0.0.tgz",
+      "integrity": "sha512-PHyM+sQouu7xspQQwELlGwwd05mXUFqwFYfqPO0cC7x4fxyHnnuetmQr6CjJiafIDoH4MogHb9dOoJzR/Y4rFg==",
+      "dev": true
+    },
     "xtend": {
       "version": "2.1.2",
       "resolved": "https://registry.npmjs.org/xtend/-/xtend-2.1.2.tgz",
diff --git a/package.json b/package.json
index d709c12..822e66a 100644
--- a/package.json
+++ b/package.json
@@ -69,7 +69,7 @@
     "style-loader": "^0.13.1",
     "url-loader": "^0.5.7",
     "webpack": "^2.6.1",
-    "webpack-dev-server": "^2.5.0",
+    "webpack-dev-server": "^3.1.11",
     "webpack-merge": "^0.15.0"
   }
 }