diff --git a/package-lock.json b/package-lock.json
index 09d6fb7..71b900a 100644
--- a/package-lock.json
+++ b/package-lock.json
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@@ -15821,7 +15923,7 @@
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@@ -15851,7 +15953,7 @@
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@@ -15878,12 +15980,12 @@
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+              "version": "1.2.7",
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+                "minipass": "^2.6.0"
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@@ -15909,7 +16011,7 @@
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-              "version": "7.1.3",
+              "version": "7.1.6",
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@@ -15938,7 +16040,7 @@
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-              "version": "3.0.1",
+              "version": "3.0.3",
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@@ -15957,7 +16059,7 @@
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@@ -15999,7 +16101,7 @@
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@@ -16009,12 +16111,12 @@
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-              "version": "1.2.1",
+              "version": "1.3.3",
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+                "minipass": "^2.9.0"
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@@ -16027,24 +16129,24 @@
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-              "version": "2.3.0",
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+                "debug": "^3.2.6",
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-              "version": "0.12.0",
+              "version": "0.14.0",
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@@ -16058,7 +16160,7 @@
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-                "tar": "^4"
+                "tar": "^4.4.2"
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@@ -16072,13 +16174,22 @@
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+              "version": "1.1.1",
+              "bundled": true,
+              "dev": true,
+              "optional": true,
+              "requires": {
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+            "npm-normalize-package-bin": {
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@@ -16149,7 +16260,7 @@
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@@ -16190,7 +16301,7 @@
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@@ -16217,7 +16328,7 @@
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@@ -16270,18 +16381,18 @@
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                 "fs-minipass": "^1.2.5",
-                "minipass": "^2.3.4",
-                "minizlib": "^1.1.1",
+                "minipass": "^2.8.6",
+                "minizlib": "^1.2.1",
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-                "yallist": "^3.0.2"
+                "yallist": "^3.0.3"
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@@ -16306,7 +16417,7 @@
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+              "version": "3.1.1",
               "bundled": true,
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@@ -16340,6 +16451,12 @@
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+          "resolved": "https://registry.npmjs.org/is-absolute-url/-/is-absolute-url-3.0.3.tgz",
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+          "dev": true
+        },
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           "resolved": "https://registry.npmjs.org/is-binary-path/-/is-binary-path-1.0.1.tgz",
@@ -16405,37 +16522,6 @@
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-          "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.1.tgz",
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-        "sockjs-client": {
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-          "resolved": "https://registry.npmjs.org/sockjs-client/-/sockjs-client-1.3.0.tgz",
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-          "dev": true,
-          "requires": {
-            "debug": "^3.2.5",
-            "eventsource": "^1.0.7",
-            "faye-websocket": "~0.11.1",
-            "inherits": "^2.0.3",
-            "json3": "^3.3.2",
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-              "resolved": "https://registry.npmjs.org/debug/-/debug-3.2.6.tgz",
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@@ -16496,14 +16582,23 @@
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+        "ws": {
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+          "resolved": "https://registry.npmjs.org/ws/-/ws-6.2.1.tgz",
+          "integrity": "sha512-GIyAXC2cB7LjvpgMt9EKS2ldqr0MTrORaleiOno6TweZ6r3TKtoFQWay/2PceJ3RuBasOHzXNn5Lrw1X0bEjqA==",
+          "dev": true,
+          "requires": {
+            "async-limiter": "~1.0.0"
+          }
+        },
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-          "version": "12.0.2",
-          "resolved": "https://registry.npmjs.org/yargs/-/yargs-12.0.2.tgz",
-          "integrity": "sha512-e7SkEx6N6SIZ5c5H22RTZae61qtn3PYUE8JYbBFlK9sYmh3DMQ6E5ygtaG/2BW0JZi4WGgTR2IV5ChqlqrDGVQ==",
+          "version": "12.0.5",
+          "resolved": "https://registry.npmjs.org/yargs/-/yargs-12.0.5.tgz",
+          "integrity": "sha512-Lhz8TLaYnxq/2ObqHDql8dX8CJi97oHxrjUcYtzKbbykPtVW9WB+poxI+NM2UIzsMgNCZTIf0AQwsjK5yMAqZw==",
           "dev": true,
           "requires": {
             "cliui": "^4.0.0",
-            "decamelize": "^2.0.0",
+            "decamelize": "^1.2.0",
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@@ -16513,16 +16608,17 @@
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             "y18n": "^3.2.1 || ^4.0.0",
-            "yargs-parser": "^10.1.0"
+            "yargs-parser": "^11.1.1"
           }
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-          "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-10.1.0.tgz",
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+          "version": "11.1.1",
+          "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-11.1.1.tgz",
+          "integrity": "sha512-C6kB/WJDiaxONLJQnF8ccx9SEeoTTLek8RVbaOIsrAUS8VrBEXfmeSnCZxygc+XC2sNMBIwOOnfcxiynjHsVSQ==",
           "dev": true,
           "requires": {
-            "camelcase": "^4.1.0"
+            "camelcase": "^5.0.0",
+            "decamelize": "^1.2.0"
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@@ -16903,12 +16999,6 @@
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-    "xregexp": {
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-      "resolved": "https://registry.npmjs.org/xregexp/-/xregexp-4.0.0.tgz",
-      "integrity": "sha512-PHyM+sQouu7xspQQwELlGwwd05mXUFqwFYfqPO0cC7x4fxyHnnuetmQr6CjJiafIDoH4MogHb9dOoJzR/Y4rFg==",
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       "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.2.tgz",
diff --git a/package.json b/package.json
index d5cf561..386038a 100644
--- a/package.json
+++ b/package.json
@@ -84,7 +84,7 @@
     "ts-pnp": "1.1.4",
     "url-loader": "2.1.0",
     "webpack": "4.41.2",
-    "webpack-dev-server": "3.2.1",
+    "webpack-dev-server": "3.10.0",
     "webpack-manifest-plugin": "2.1.1",
     "workbox-webpack-plugin": "4.3.1"
   },