diff --git a/package-lock.json b/package-lock.json
index 8db117d..8b8de83 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -32,7 +32,7 @@
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+        "webpack-dev-server": "<4"
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@@ -530,40 +530,12 @@
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@@ -1909,25 +1881,11 @@
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@@ -2007,7 +1965,6 @@
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@@ -2770,18 +2727,6 @@
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+        "darwin",
+        "freebsd",
+        "linux",
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+      "dev": true,
+      "bin": {
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@@ -3122,6 +3174,15 @@
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@@ -3660,15 +3674,15 @@
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-      "integrity": "sha1-Cs7ehJ7X3RzMMsgRuxG5RNTykjI=",
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@@ -4529,15 +4543,6 @@
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@@ -4710,15 +4715,6 @@
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@@ -4981,15 +4977,15 @@
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@@ -5118,77 +5114,56 @@
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@@ -5201,15 +5176,15 @@
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@@ -5221,18 +5196,6 @@
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@@ -20459,15 +20269,48 @@
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@@ -20489,6 +20332,18 @@
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@@ -20497,46 +20352,85 @@
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+              "dev": true,
+              "requires": {
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+      "resolved": "https://registry.npmjs.org/webpack-log/-/webpack-log-2.0.0.tgz",
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+        "uuid": "^3.3.2"
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     "webpack-sources": {
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@@ -20584,24 +20478,10 @@
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-      "integrity": "sha1-u6Y8qGGUiZT/MHc2CJ47lgJsKk8=",
-      "dev": true
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/which-module/-/which-module-2.0.0.tgz",
+      "integrity": "sha1-2e8H3Od7mQK4o6j6SzHD4/fm6Ho="
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@@ -20661,6 +20541,12 @@
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       "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8="
     },
+    "xregexp": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/xregexp/-/xregexp-4.0.0.tgz",
+      "integrity": "sha512-PHyM+sQouu7xspQQwELlGwwd05mXUFqwFYfqPO0cC7x4fxyHnnuetmQr6CjJiafIDoH4MogHb9dOoJzR/Y4rFg==",
+      "dev": true
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diff --git a/package.json b/package.json
index 67bdef4..9376197 100644
--- a/package.json
+++ b/package.json
@@ -47,6 +47,6 @@
   "devDependencies": {
     "concurrently": "*",
     "sync-exec": "*",
-    "webpack-dev-server": "<3"
+    "webpack-dev-server": "<4"
   }
 }