diff --git a/demo/package-lock.json b/demo/package-lock.json
index 74b0814..1d2da1e 100644
--- a/demo/package-lock.json
+++ b/demo/package-lock.json
@@ -5539,9 +5539,9 @@
       "dev": true
     },
     "terser": {
-      "version": "4.1.0",
-      "resolved": "https://registry.npmjs.org/terser/-/terser-4.1.0.tgz",
-      "integrity": "sha512-O2MzVShUr/B+bxTh83ycpDR+Ocesg5qLR8kphWApRbWCkSnfKq1YPmydnVNfsJuJKHvzSgDNqFq4cr1O36oQ2A==",
+      "version": "4.8.1",
+      "resolved": "https://registry.npmjs.org/terser/-/terser-4.8.1.tgz",
+      "integrity": "sha512-4GnLC0x667eJG0ewJTa6z/yXrbLGv80D9Ru6HIpCQmO+Q4PfEtBFi0ObSckqwL6VyQv/7ENJieXHo2ANmdQwgw==",
       "dev": true,
       "requires": {
         "commander": "^2.20.0",
@@ -5550,9 +5550,9 @@
       },
       "dependencies": {
         "commander": {
-          "version": "2.20.0",
-          "resolved": "https://registry.npmjs.org/commander/-/commander-2.20.0.tgz",
-          "integrity": "sha512-7j2y+40w61zy6YC2iRNpUe/NwhNyoXrYpHMrSunaMG64nRnaf96zO/KMQR4OyN/UnE5KLyEBnKHd4aG3rskjpQ==",
+          "version": "2.20.3",
+          "resolved": "https://registry.npmjs.org/commander/-/commander-2.20.3.tgz",
+          "integrity": "sha512-GpVkmM8vF2vQUkj2LvZmD35JxeJOLCwJ9cUkugyk2nuhbv3+mJvpLYYt+0+USMxE+oj+ey/lJEnhZw75x/OMcQ==",
           "dev": true
         },
         "source-map": {