diff --git a/package-lock.json b/package-lock.json
index ada4a4d..e57ed4a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -28,9 +28,9 @@
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@@ -5712,62 +6075,28 @@
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@@ -5805,13 +6134,11 @@
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+      "resolved": "https://registry.npmjs.org/websocket-driver/-/websocket-driver-0.6.5.tgz",
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@@ -5862,6 +6189,15 @@
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+      "resolved": "https://registry.npmjs.org/ws/-/ws-6.2.1.tgz",
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+      "dev": true,
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diff --git a/package.json b/package.json
index 6bfa9c5..278c987 100644
--- a/package.json
+++ b/package.json
@@ -20,6 +20,6 @@
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     "webpack-cli": "3.3.5",
-    "webpack-dev-server": "3.7.2"
+    "webpack-dev-server": "3.11.0"
   }
 }