diff --git a/demo/package-lock.json b/demo/package-lock.json
index eaae223..73b0839 100644
--- a/demo/package-lock.json
+++ b/demo/package-lock.json
@@ -3992,7 +3992,6 @@
             "http-errors": "1.7.2",
             "iconv-lite": "0.4.24",
             "on-finished": "~2.3.0",
-            "qs": "6.7.0",
             "raw-body": "2.4.0",
             "type-is": "~1.6.17"
           }
@@ -5073,7 +5072,6 @@
             "parseurl": "~1.3.3",
             "path-to-regexp": "0.1.7",
             "proxy-addr": "~2.0.5",
-            "qs": "6.7.0",
             "range-parser": "~1.2.1",
             "safe-buffer": "5.1.2",
             "send": "0.17.1",
@@ -7089,11 +7087,6 @@
           "resolved": "https://registry.npmjs.org/punycode/-/punycode-2.1.1.tgz",
           "integrity": "sha512-XRsRjdf+j5ml+y/6GKHPZbrF/8p2Yga0JPtdqTIY2Xe5ohJPD9saDJJLPvp9+NSBprVvevdXZybnj2cv8OEd0A=="
         },
-        "qs": {
-          "version": "6.7.0",
-          "resolved": "https://registry.npmjs.org/qs/-/qs-6.7.0.tgz",
-          "integrity": "sha512-VCdBRNFTX1fyE7Nb6FYoURo/SPe62QCaAyzJvUjwRaIsc+NePBEniHlvxFmmX56+HZphIGtV0XeCirBtpDrTyQ=="
-        },
         "querystring": {
           "version": "0.2.0",
           "resolved": "https://registry.npmjs.org/querystring/-/querystring-0.2.0.tgz",
@@ -9791,9 +9784,9 @@
       "dev": true
     },
     "qs": {
-      "version": "6.5.2",
-      "resolved": "https://registry.npmjs.org/qs/-/qs-6.5.2.tgz",
-      "integrity": "sha512-N5ZAX4/LxJmF+7wN74pUD6qAh9/wnvdQcjq9TZjevvXzSUo7bfmw91saqMjzGS2xq91/odN2dW/WOl7qQHNDGA==",
+      "version": "6.5.3",
+      "resolved": "https://registry.npmjs.org/qs/-/qs-6.5.3.tgz",
+      "integrity": "sha512-qxXIEh4pCGfHICj1mAJQ2/2XVZkjCDTcEgfoSQxc/fYivUZxTkk7L3bDBJSoNrEzXI17oUO5Dp07ktqE5KzczA==",
       "dev": true
     },
     "querystring": {