diff --git a/package-lock.json b/package-lock.json
index 9e2dafb..f01c14a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -354,10 +354,13 @@
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@@ -2080,6 +2090,12 @@
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@@ -2282,20 +2324,20 @@
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       "dev": true,
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-        "eventemitter3": "^3.0.0",
+        "eventemitter3": "^4.0.0",
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-      "resolved": "https://registry.npmjs.org/http-server/-/http-server-0.11.1.tgz",
-      "integrity": "sha512-6JeGDGoujJLmhjiRGlt8yK8Z9Kl0vnl/dQoQZlc4oeqaUoAKQg94NILLfrY3oWzSyFaQCVNTcKE5PZ3cH8VP9w==",
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+      "resolved": "https://registry.npmjs.org/http-server/-/http-server-0.11.2.tgz",
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@@ -2305,7 +2347,7 @@
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         "portfinder": "^1.0.13",
-        "union": "~0.4.3"
+        "union": "^0.5.0"
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@@ -2676,6 +2718,12 @@
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+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
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@@ -3032,6 +3080,12 @@
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@@ -3062,13 +3116,13 @@
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-      "integrity": "sha1-2j6nRob6IaGaERwybpDrFaAZZoY=",
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@@ -3078,7 +3132,7 @@
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@@ -3252,23 +3306,29 @@
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+      "resolved": "https://registry.npmjs.org/portfinder/-/portfinder-1.0.32.tgz",
+      "integrity": "sha512-on2ZJVVDXRADWE6jnQaX0ioEylzgBpQk8r55NE4wjXW1ZxO+BgDlY6DXwj20i0V8eB4SenDQ00WEaxfiIQPcxg==",
       "dev": true,
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-        "async": "^1.5.2",
-        "debug": "^2.2.0",
-        "mkdirp": "0.5.x"
+        "async": "^2.6.4",
+        "debug": "^3.2.7",
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+        "minimist": {
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+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.7.tgz",
+          "integrity": "sha512-bzfL1YUZsP41gmu/qjrEk0Q6i2ix/cVeAhbCbqH9u3zYutS1cLg00qhrD0M2MVdCcx4Sc0UpP2eBWo9rotpq6g==",
+          "dev": true
+        },
+        "mkdirp": {
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+          "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.6.tgz",
+          "integrity": "sha512-FP+p8RB8OWpF3YZBCrP5gtADmtXApB5AMLn+vdyA+PyxCjrCs00mjyUozssO33cwDeT3wNGdLxJ5M//YqtHAJw==",
           "dev": true,
           "requires": {
-            "ms": "2.0.0"
+            "minimist": "^1.2.6"
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@@ -3362,10 +3422,13 @@
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-      "resolved": "https://registry.npmjs.org/qs/-/qs-2.3.3.tgz",
-      "integrity": "sha1-6eha2+ddoLvkyOBHaghikPhjtAQ=",
-      "dev": true
+      "version": "6.11.0",
+      "resolved": "https://registry.npmjs.org/qs/-/qs-6.11.0.tgz",
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+      "dev": true,
+      "requires": {
+        "side-channel": "^1.0.4"
+      }
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@@ -3467,7 +3530,7 @@
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-      "integrity": "sha1-kl0mAdOaxIXgkc8NpcbmlNw9yv8=",
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@@ -3654,6 +3717,17 @@
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       "dev": true
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+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/side-channel/-/side-channel-1.0.4.tgz",
+      "integrity": "sha512-q5XPytqFEIKHkGdiMIrY10mvLRvnQh42/+GoBlFW3b2LXLE2xxJpZFdm94we0BaoV3RwJyGqg5wS7epxTv0Zvw==",
+      "dev": true,
+      "requires": {
+        "call-bind": "^1.0.0",
+        "get-intrinsic": "^1.0.2",
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@@ -4114,12 +4188,12 @@
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-      "resolved": "https://registry.npmjs.org/union/-/union-0.4.6.tgz",
-      "integrity": "sha1-GY+9rrolTniLDvy2MLwR8kopWeA=",
+      "version": "0.5.0",
+      "resolved": "https://registry.npmjs.org/union/-/union-0.5.0.tgz",
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       "dev": true,
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-        "qs": "~2.3.3"
+        "qs": "^6.4.0"
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@@ -4234,7 +4308,7 @@
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-      "integrity": "sha1-WvIvGMBSoACkjXuCxenC4v7tpyg=",
+      "integrity": "sha512-c2H1fIgpUdwFRIru9HFno5DT73Ok8hg5oOb5AT3ayIgvCRfxgs2jyt5Slw8kEB7j3QUr6yJmMPDT/odjk7jXow==",
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@@ -4387,7 +4461,7 @@
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-      "integrity": "sha1-o9XabNXAvAAI03I0u68b7WMFkQc=",
+      "integrity": "sha512-1tMA907+V4QmxV7dbRvb4/8MaRALK6q9Abid3ndMYnbyo8piisCmeONVqVSXqQA3KaP4SLt5b7ud6E2sqP8TFw==",
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diff --git a/package.json b/package.json
index d8a2284..22238b7 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,7 @@
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-    "http-server": "^0.11.1",
+    "http-server": "^0.11.2",
     "webpack": "^4.41.5",
     "webpack-cli": "^3.3.10"
   }