diff --git a/package-lock.json b/package-lock.json
index f557664..ae97df4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
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@@ -7299,12 +7635,12 @@
       "dev": true
     },
     "union": {
-      "version": "0.4.6",
-      "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",
+      "integrity": "sha512-N6uOhuW6zO95P3Mel2I2zMsbsanvvtgn6jVqJv4vbVcz/JN0OkL9suomjQGmWtxJQXOCqUJvquc1sMeNz/IwlA==",
       "dev": true,
       "requires": {
-        "qs": "2.3.3"
+        "qs": "^6.4.0"
       }
     },
     "union-value": {
@@ -7389,9 +7725,9 @@
       "dev": true
     },
     "url-join": {
-      "version": "2.0.5",
-      "resolved": "https://registry.npmjs.org/url-join/-/url-join-2.0.5.tgz",
-      "integrity": "sha1-WvIvGMBSoACkjXuCxenC4v7tpyg=",
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/url-join/-/url-join-4.0.1.tgz",
+      "integrity": "sha512-jk1+QP6ZJqyOiuEI9AEWQfju/nB2Pw466kbA0LEZljHwKeMgd9WrAEgEGxjPDD2+TNbbb37rTyhEfrCXfuKXnA==",
       "dev": true
     },
     "use": {
@@ -7472,6 +7808,14 @@
       "requires": {
         "exec-sh": "0.2.1",
         "minimist": "1.2.0"
+      },
+      "dependencies": {
+        "minimist": {
+          "version": "1.2.0",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
+          "integrity": "sha512-7Wl+Jz+IGWuSdgsQEJ4JunV0si/iMhg42MnQQG6h1R6TNeVenp4U9x5CC5v/gYqz/fENLQITAWXidNtVL0NNbw==",
+          "dev": true
+        }
       }
     },
     "webidl-conversions": {
diff --git a/package.json b/package.json
index ab0a85b..72056bd 100644
--- a/package.json
+++ b/package.json
@@ -46,7 +46,7 @@
     "babel-jest": "^22.4.3",
     "babel-preset-es2015": "^6.24.1",
     "concurrently": "^3.5.1",
-    "http-server": "^0.11.1",
+    "http-server": "^14.1.1",
     "jest": "^22.4.2",
     "rollup": "^0.57.1",
     "selenium-webdriver": "^4.0.0-alpha.1",