diff --git a/package-lock.json b/package-lock.json
index d28d74a..84a974f 100644
--- a/package-lock.json
+++ b/package-lock.json
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+            "safe-buffer": "~5.1.1",
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+          "dev": true,
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+        "supports-color": {
+          "version": "6.1.0",
+          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-6.1.0.tgz",
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@@ -5528,33 +5599,93 @@
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-        "require-main-filename": "1.0.1",
-        "set-blocking": "2.0.0",
-        "string-width": "2.1.1",
-        "which-module": "2.0.0",
-        "y18n": "4.0.0",
-        "yargs-parser": "11.1.1"
+      "version": "13.3.2",
+      "resolved": "https://registry.npmjs.org/yargs/-/yargs-13.3.2.tgz",
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+      "requires": {
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+        "find-up": "^3.0.0",
+        "get-caller-file": "^2.0.1",
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+        "require-main-filename": "^2.0.0",
+        "set-blocking": "^2.0.0",
+        "string-width": "^3.0.0",
+        "which-module": "^2.0.0",
+        "y18n": "^4.0.0",
+        "yargs-parser": "^13.1.2"
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+          "resolved": "https://registry.npmjs.org/cliui/-/cliui-5.0.0.tgz",
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+          "requires": {
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+            "strip-ansi": "^5.2.0",
+            "wrap-ansi": "^5.1.0"
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+          "dev": true,
+          "requires": {
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+            "is-fullwidth-code-point": "^2.0.0",
+            "strip-ansi": "^5.1.0"
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+        "strip-ansi": {
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+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-5.2.0.tgz",
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+          "dev": true,
+          "requires": {
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+        "wrap-ansi": {
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+          "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-5.1.0.tgz",
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+          "dev": true,
+          "requires": {
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+            "string-width": "^3.0.0",
+            "strip-ansi": "^5.0.0"
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     "yargs-parser": {
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-      "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-11.1.1.tgz",
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+      "version": "13.1.2",
+      "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-13.1.2.tgz",
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       "dev": true,
       "requires": {
-        "camelcase": "5.0.0",
-        "decamelize": "1.2.0"
+        "camelcase": "^5.0.0",
+        "decamelize": "^1.2.0"
       }
     }
   }
diff --git a/package.json b/package.json
index 1dc917f..07e74f1 100644
--- a/package.json
+++ b/package.json
@@ -11,7 +11,7 @@
   "devDependencies": {
     "html-webpack-plugin": "^3.2.0",
     "webpack": "^4.28.1",
-    "webpack-cli": "^3.2.1",
+    "webpack-cli": "^3.3.12",
     "webpack-dev-server": "^3.1.14"
   }
 }