diff --git a/package-lock.json b/package-lock.json
index 73be9b8..cefc7c6 100644
--- a/package-lock.json
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@@ -8293,6 +8391,24 @@
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+      "resolved": "https://registry.npmjs.org/string.prototype.trimright/-/string.prototype.trimright-2.1.1.tgz",
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@@ -8539,9 +8655,9 @@
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@@ -9192,51 +9308,54 @@
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+      "resolved": "https://registry.npmjs.org/webpack-dev-server/-/webpack-dev-server-3.10.1.tgz",
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         "bonjour": "^3.5.0",
-        "chokidar": "^2.1.6",
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         "debug": "^4.1.1",
         "del": "^4.1.1",
         "express": "^4.17.1",
         "html-entities": "^1.2.1",
-        "http-proxy-middleware": "^0.19.1",
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         "internal-ip": "^4.3.0",
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-        "semver": "^6.1.1",
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-        "sockjs-client": "1.3.0",
-        "spdy": "^4.0.0",
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         "url": "^0.11.0",
-        "webpack-dev-middleware": "^3.7.0",
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@@ -9245,6 +9364,25 @@
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           "integrity": "sha1-7QMXwyIGT3lGbAKWa922Bas32Zg="
         },
+        "chokidar": {
+          "version": "2.1.8",
+          "resolved": "https://registry.npmjs.org/chokidar/-/chokidar-2.1.8.tgz",
+          "integrity": "sha512-ZmZUazfOzf0Nve7duiCKD23PFSCs4JPoYyccjUFF3aQkQadqBhfzhjkwBH2mNOG9cTBwhamM37EIsIkZw3nRgg==",
+          "requires": {
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+            "async-each": "^1.0.1",
+            "braces": "^2.3.2",
+            "fsevents": "^1.2.7",
+            "glob-parent": "^3.1.0",
+            "inherits": "^2.0.3",
+            "is-binary-path": "^1.0.0",
+            "is-glob": "^4.0.0",
+            "normalize-path": "^3.0.0",
+            "path-is-absolute": "^1.0.0",
+            "readdirp": "^2.2.1",
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@@ -9302,9 +9440,9 @@
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+          "version": "6.3.0",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-6.3.0.tgz",
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@@ -9394,11 +9532,12 @@
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-      "integrity": "sha1-DK+dLXVdk67gSdS90NP+LMoqJOs=",
+      "version": "0.7.3",
+      "resolved": "https://registry.npmjs.org/websocket-driver/-/websocket-driver-0.7.3.tgz",
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       "requires": {
-        "http-parser-js": ">=0.4.0",
+        "http-parser-js": ">=0.4.0 <0.4.11",
+        "safe-buffer": ">=5.1.0",
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@@ -9450,6 +9589,14 @@
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       "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8="
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+    "ws": {
+      "version": "6.2.1",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-6.2.1.tgz",
+      "integrity": "sha512-GIyAXC2cB7LjvpgMt9EKS2ldqr0MTrORaleiOno6TweZ6r3TKtoFQWay/2PceJ3RuBasOHzXNn5Lrw1X0bEjqA==",
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diff --git a/package.json b/package.json
index 8ce8d3f..74e4e6b 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
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-    "webpack-dev-server": "3.7.1"
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