diff --git a/demo/package-lock.json b/demo/package-lock.json
index 38901fe..5a7c1dd 100644
--- a/demo/package-lock.json
+++ b/demo/package-lock.json
@@ -22,15 +22,6 @@
       "integrity": "sha1-jtolLsqrWEDc2XXOuQ2TcMgZ/4c=",
       "dev": true
     },
-    "debug": {
-      "version": "3.2.6",
-      "resolved": "https://registry.npmjs.org/debug/-/debug-3.2.6.tgz",
-      "integrity": "sha512-mel+jf7nrtEl5Pn1Qx46zARXKDpBbvzezse7p7LqINmdoIk8PYP5SySaxEmYv6TZ0JyEKA1hsCId6DIhgITtWQ==",
-      "dev": true,
-      "requires": {
-        "ms": "^2.1.1"
-      }
-    },
     "ecstatic": {
       "version": "3.3.2",
       "resolved": "https://registry.npmjs.org/ecstatic/-/ecstatic-3.3.2.tgz",
@@ -50,13 +41,10 @@
       "dev": true
     },
     "follow-redirects": {
-      "version": "1.7.0",
-      "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.7.0.tgz",
-      "integrity": "sha512-m/pZQy4Gj287eNy94nivy5wchN3Kp+Q5WgUPNy5lJSZ3sgkVKSYV/ZChMAQVIgx1SqfZ2zBZtPA2YlXIWxxJOQ==",
-      "dev": true,
-      "requires": {
-        "debug": "^3.2.6"
-      }
+      "version": "1.14.7",
+      "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.14.7.tgz",
+      "integrity": "sha512-+hbxoLbFMbRKDwohX8GkTataGqO6Jb7jGwpAlwgy2bIz25XtRm7KEzJM76R1WiNT5SwZkX4Y75SwBolkpmE7iQ==",
+      "dev": true
     },
     "he": {
       "version": "1.2.0",
@@ -120,12 +108,6 @@
         }
       }
     },
-    "ms": {
-      "version": "2.1.1",
-      "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.1.tgz",
-      "integrity": "sha512-tgp+dl5cGk28utYktBsrFqA7HKgrhgPsg6Z/EfhWI4gl1Hwq8B/GmY/0oXZ6nF8hDVesS/FpnYaD/kOWhYQvyg==",
-      "dev": true
-    },
     "opener": {
       "version": "1.4.3",
       "resolved": "https://registry.npmjs.org/opener/-/opener-1.4.3.tgz",