diff --git a/package-lock.json b/package-lock.json
index 327e2fa..9c2805e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -53,6 +53,12 @@
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@@ -11405,6 +11440,12 @@
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+          "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-2.0.0.tgz",
+          "integrity": "sha1-o7MKXE8ZkYMWeqq5O+764937ZU8=",
+          "dev": true
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@@ -11446,6 +11487,15 @@
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+        "lcid": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/lcid/-/lcid-2.0.0.tgz",
+          "integrity": "sha512-avPEb8P8EGnwXKClwsNUgryVjllcRqtMYa49NTsbQagYuT1DcXnl1915oxWjoyGrXR6zH/Y0Zc96xWsPcoDKeA==",
+          "dev": true,
+          "requires": {
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+        "os-locale": {
+          "version": "3.1.0",
+          "resolved": "https://registry.npmjs.org/os-locale/-/os-locale-3.1.0.tgz",
+          "integrity": "sha512-Z8l3R4wYWM40/52Z+S265okfFj8Kt2cC2MKY+xNi3kFs+XGI7WXu/I309QQQYbRW4ijiZ+yxs9pqEhJh0DqW3Q==",
+          "dev": true,
+          "requires": {
+            "execa": "^1.0.0",
+            "lcid": "^2.0.0",
+            "mem": "^4.0.0"
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           "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.7.tgz",
@@ -11511,6 +11572,27 @@
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           "dev": true
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+        "string-width": {
+          "version": "2.1.1",
+          "resolved": "https://registry.npmjs.org/string-width/-/string-width-2.1.1.tgz",
+          "integrity": "sha512-nOqH59deCq9SRHlxq1Aw85Jnt4w6KvLKqWVik6oA9ZklXLNIOlqg4F2yrT1MVaTjAqvVwdfeZ7w7aCvJD7ugkw==",
+          "dev": true,
+          "requires": {
+            "is-fullwidth-code-point": "^2.0.0",
+            "strip-ansi": "^4.0.0"
+          },
+          "dependencies": {
+            "strip-ansi": {
+              "version": "4.0.0",
+              "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-4.0.0.tgz",
+              "integrity": "sha1-qEeQIusaw2iocTibY1JixQXuNo8=",
+              "dev": true,
+              "requires": {
+                "ansi-regex": "^3.0.0"
+              }
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+        },
         "string_decoder": {
           "version": "1.1.1",
           "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
@@ -11539,12 +11621,6 @@
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-          "resolved": "https://registry.npmjs.org/which-module/-/which-module-1.0.0.tgz",
-          "integrity": "sha1-u6Y8qGGUiZT/MHc2CJ47lgJsKk8=",
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           "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-2.1.0.tgz",
@@ -11553,42 +11629,57 @@
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+            "is-fullwidth-code-point": {
+              "version": "1.0.0",
+              "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-1.0.0.tgz",
+              "integrity": "sha1-754xOG8DGn8NZDr4L95QxFfvAMs=",
+              "dev": true,
+              "requires": {
+                "number-is-nan": "^1.0.0"
+              }
+            },
+            "string-width": {
+              "version": "1.0.2",
+              "resolved": "https://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
+              "integrity": "sha1-EYvfW4zcUaKn5w0hHgfisLmxB9M=",
+              "dev": true,
+              "requires": {
+                "code-point-at": "^1.0.0",
+                "is-fullwidth-code-point": "^1.0.0",
+                "strip-ansi": "^3.0.0"
+              }
+            }
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-        "y18n": {
-          "version": "3.2.2",
-          "resolved": "https://registry.npmjs.org/y18n/-/y18n-3.2.2.tgz",
-          "integrity": "sha512-uGZHXkHnhF0XeeAPgnKfPv1bgKAYyVvmNL1xlKsPYZPaIHxGti2hHqvOCQv71XMsLxu1QjergkqogUnms5D3YQ==",
-          "dev": true
-        },
         "yargs": {
-          "version": "6.6.0",
-          "resolved": "https://registry.npmjs.org/yargs/-/yargs-6.6.0.tgz",
-          "integrity": "sha1-eC7CHvQDNF+DCoCMo9UTr1YGUgg=",
+          "version": "12.0.2",
+          "resolved": "https://registry.npmjs.org/yargs/-/yargs-12.0.2.tgz",
+          "integrity": "sha512-e7SkEx6N6SIZ5c5H22RTZae61qtn3PYUE8JYbBFlK9sYmh3DMQ6E5ygtaG/2BW0JZi4WGgTR2IV5ChqlqrDGVQ==",
           "dev": true,
           "requires": {
-            "camelcase": "^3.0.0",
-            "cliui": "^3.2.0",
-            "decamelize": "^1.1.1",
+            "cliui": "^4.0.0",
+            "decamelize": "^2.0.0",
+            "find-up": "^3.0.0",
             "get-caller-file": "^1.0.1",
-            "os-locale": "^1.4.0",
-            "read-pkg-up": "^1.0.1",
+            "os-locale": "^3.0.0",
             "require-directory": "^2.1.1",
             "require-main-filename": "^1.0.1",
             "set-blocking": "^2.0.0",
-            "string-width": "^1.0.2",
-            "which-module": "^1.0.0",
-            "y18n": "^3.2.1",
-            "yargs-parser": "^4.2.0"
+            "string-width": "^2.0.0",
+            "which-module": "^2.0.0",
+            "y18n": "^3.2.1 || ^4.0.0",
+            "yargs-parser": "^10.1.0"
           }
         },
         "yargs-parser": {
-          "version": "4.2.1",
-          "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-4.2.1.tgz",
-          "integrity": "sha1-KczqwNxPA8bIe0qfIX3RjJ90hxw=",
+          "version": "10.1.0",
+          "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-10.1.0.tgz",
+          "integrity": "sha512-VCIyR1wJoEBZUqk5PA+oOBF6ypbwh5aNB3I50guxAL/quggdfs4TtNHQrSazFA3fYZ+tEqfs0zIGlv0c/rgjbQ==",
           "dev": true,
           "requires": {
-            "camelcase": "^3.0.0"
+            "camelcase": "^4.1.0"
           }
         }
       }
@@ -11603,6 +11694,16 @@
         "path": "^0.11.14"
       }
     },
+    "webpack-log": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/webpack-log/-/webpack-log-2.0.0.tgz",
+      "integrity": "sha512-cX8G2vR/85UYG59FgkoMamwHUIkSSlV3bBMRsbxVXVUk2j6NleCKjQ/WE9eYg9WY4w25O9w8wKP4rzNZFmUcUg==",
+      "dev": true,
+      "requires": {
+        "ansi-colors": "^3.0.0",
+        "uuid": "^3.3.2"
+      }
+    },
     "webpack-sources": {
       "version": "0.1.5",
       "resolved": "https://registry.npmjs.org/webpack-sources/-/webpack-sources-0.1.5.tgz",
@@ -11645,19 +11746,6 @@
         "isexe": "^2.0.0"
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-    "which-boxed-primitive": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/which-boxed-primitive/-/which-boxed-primitive-1.0.2.tgz",
-      "integrity": "sha512-bwZdv0AKLpplFY2KZRX6TvyuN7ojjr7lwkg6ml0roIy9YeuSr7JS372qlNW18UQYzgYK9ziGcerWqZOmEn9VNg==",
-      "dev": true,
-      "requires": {
-        "is-bigint": "^1.0.1",
-        "is-boolean-object": "^1.1.0",
-        "is-number-object": "^1.0.4",
-        "is-string": "^1.0.5",
-        "is-symbol": "^1.0.3"
-      }
-    },
     "which-module": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/which-module/-/which-module-2.0.0.tgz",
@@ -11762,6 +11850,12 @@
       "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
       "dev": true
     },
+    "xregexp": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/xregexp/-/xregexp-4.0.0.tgz",
+      "integrity": "sha512-PHyM+sQouu7xspQQwELlGwwd05mXUFqwFYfqPO0cC7x4fxyHnnuetmQr6CjJiafIDoH4MogHb9dOoJzR/Y4rFg==",
+      "dev": true
+    },
     "xtend": {
       "version": "4.0.2",
       "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.2.tgz",
diff --git a/package.json b/package.json
index 3235b8c..4db48bc 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,7 @@
     "style-loader": "^0.13.1",
     "url-loader": "^0.5.7",
     "webpack": "^2.2.1",
-    "webpack-dev-server": "^2.2.1",
+    "webpack-dev-server": "^3.1.11",
     "webpack-glsl-loader": "^1.0.1"
   },
   "dependencies": {