diff --git a/package-lock.json b/package-lock.json
index 4965075..dbbe4bc 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -30,7 +30,7 @@
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@@ -1273,6 +1273,33 @@
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@@ -4023,18 +4006,6 @@
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@@ -4152,6 +4123,62 @@
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+      "dev": true,
+      "os": [
+        "android",
+        "darwin",
+        "freebsd",
+        "linux",
+        "openbsd",
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@@ -6571,15 +6589,6 @@
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@@ -6775,9 +6784,9 @@
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-      "integrity": "sha1-/Xqtcmvxpf0W38KbL3pmAdJxOcQ=",
+      "version": "2.0.1",
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+      "os": [
+        "android",
+        "darwin",
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@@ -7662,6 +7657,15 @@
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+          "resolved": "https://registry.npmjs.org/pump/-/pump-3.0.0.tgz",
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+          "dev": true,
+          "requires": {
+            "end-of-stream": "^1.1.0",
+            "once": "^1.3.1"
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+        },
+        "schema-utils": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/schema-utils/-/schema-utils-1.0.0.tgz",
+          "integrity": "sha512-i27Mic4KovM/lnGsy8whRCHhc7VicJajAjTrYg11K9zfZXnYIt4k5F+kZkwjnrhKzLic/HLU4j11mjsz2G/75g==",
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           "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
@@ -26304,44 +26236,45 @@
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+          "version": "12.0.2",
+          "resolved": "https://registry.npmjs.org/yargs/-/yargs-12.0.2.tgz",
+          "integrity": "sha512-e7SkEx6N6SIZ5c5H22RTZae61qtn3PYUE8JYbBFlK9sYmh3DMQ6E5ygtaG/2BW0JZi4WGgTR2IV5ChqlqrDGVQ==",
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-            "decamelize": "^1.1.1",
-            "find-up": "^2.1.0",
+            "decamelize": "^2.0.0",
+            "find-up": "^3.0.0",
             "get-caller-file": "^1.0.1",
-            "os-locale": "^2.0.0",
+            "os-locale": "^3.0.0",
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             "set-blocking": "^2.0.0",
             "string-width": "^2.0.0",
             "which-module": "^2.0.0",
-            "y18n": "^3.2.1",
-            "yargs-parser": "^9.0.2"
+            "y18n": "^3.2.1 || ^4.0.0",
+            "yargs-parser": "^10.1.0"
+          }
+        },
+        "yargs-parser": {
+          "version": "10.1.0",
+          "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-10.1.0.tgz",
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+          "dev": true,
+          "requires": {
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     "webpack-log": {
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+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/webpack-log/-/webpack-log-2.0.0.tgz",
+      "integrity": "sha512-cX8G2vR/85UYG59FgkoMamwHUIkSSlV3bBMRsbxVXVUk2j6NleCKjQ/WE9eYg9WY4w25O9w8wKP4rzNZFmUcUg==",
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-        "log-symbols": "^2.1.0",
-        "loglevelnext": "^1.0.1",
-        "uuid": "^3.1.0"
+        "ansi-colors": "^3.0.0",
+        "uuid": "^3.3.2"
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     },
     "webpack-shell-plugin": {
@@ -26567,6 +26500,12 @@
         "cookiejar": "^2.1.1"
       }
     },
+    "xregexp": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/xregexp/-/xregexp-4.0.0.tgz",
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+      "dev": true
+    },
     "xtend": {
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       "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.1.tgz",
@@ -26625,14 +26564,6 @@
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diff --git a/package.json b/package.json
index 59a2328..9e28b0f 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
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     "webpack": "^4.12.0",
     "webpack-cli": "^3.0.8",
-    "webpack-dev-server": "^3.1.4",
+    "webpack-dev-server": "^3.1.11",
     "webpack-shell-plugin": "^0.5.0"
   },
   "dependencies": {