diff --git a/package-lock.json b/package-lock.json
index d063063..aa5dea3 100644
--- a/package-lock.json
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+          "resolved": "https://registry.npmjs.org/yargs/-/yargs-13.3.2.tgz",
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-            "decamelize": "^1.2.0",
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-            "get-caller-file": "^1.0.1",
-            "os-locale": "^3.0.0",
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@@ -13375,20 +13310,20 @@
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       "dev": true,
       "requires": {
-        "http-parser-js": ">=0.4.0 <0.4.11",
+        "http-parser-js": ">=0.5.1",
         "safe-buffer": ">=5.1.0",
         "websocket-extensions": ">=0.1.1"
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diff --git a/package.json b/package.json
index 94afc56..b5b55f6 100644
--- a/package.json
+++ b/package.json
@@ -52,7 +52,7 @@
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     "webpack": "^4.41.2",
     "webpack-cli": "^3.3.10",
-    "webpack-dev-server": "^3.9.0",
+    "webpack-dev-server": "^3.11.3",
     "webpack-md5-hash": "0.0.6"
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