diff --git a/demo/package-lock.json b/demo/package-lock.json
index f5499dfe..fcdc4a40 100644
--- a/demo/package-lock.json
+++ b/demo/package-lock.json
@@ -12727,9 +12727,9 @@
       "dev": true
     },
     "tar": {
-      "version": "4.4.13",
-      "resolved": "https://registry.npmjs.org/tar/-/tar-4.4.13.tgz",
-      "integrity": "sha512-w2VwSrBoHa5BsSyH+KxEqeQBAllHhccyMFVHtGtdMpF4W7IRWfZjFiQceJPChOeTsSDVUpER2T8FA93pr0L+QA==",
+      "version": "4.4.15",
+      "resolved": "https://registry.npmjs.org/tar/-/tar-4.4.15.tgz",
+      "integrity": "sha512-ItbufpujXkry7bHH9NpQyTXPbJ72iTlXgkBAYsAjDXk3Ds8t/3NfO5P4xZGy7u+sYuQUbimgzswX4uQIEeNVOA==",
       "dev": true,
       "requires": {
         "chownr": "^1.1.1",
@@ -13749,9 +13749,7 @@
             },
             "chownr": {
               "version": "1.1.3",
-              "bundled": true,
-              "dev": true,
-              "optional": true
+              "bundled": true
             },
             "code-point-at": {
               "version": "1.1.0",
@@ -13807,8 +13805,6 @@
             "fs-minipass": {
               "version": "1.2.7",
               "bundled": true,
-              "dev": true,
-              "optional": true,
               "requires": {
                 "minipass": "^2.6.0"
               }
@@ -13928,7 +13924,6 @@
             "minipass": {
               "version": "2.9.0",
               "bundled": true,
-              "dev": true,
               "optional": true,
               "requires": {
                 "safe-buffer": "^5.1.2",
@@ -13938,8 +13933,6 @@
             "minizlib": {
               "version": "1.3.3",
               "bundled": true,
-              "dev": true,
-              "optional": true,
               "requires": {
                 "minipass": "^2.9.0"
               }
@@ -14137,7 +14130,6 @@
             "safe-buffer": {
               "version": "5.1.2",
               "bundled": true,
-              "dev": true,
               "optional": true
             },
             "safer-buffer": {
@@ -14205,21 +14197,6 @@
               "dev": true,
               "optional": true
             },
-            "tar": {
-              "version": "4.4.13",
-              "bundled": true,
-              "dev": true,
-              "optional": true,
-              "requires": {
-                "chownr": "^1.1.1",
-                "fs-minipass": "^1.2.5",
-                "minipass": "^2.8.6",
-                "minizlib": "^1.2.1",
-                "mkdirp": "^0.5.0",
-                "safe-buffer": "^5.1.2",
-                "yallist": "^3.0.3"
-              }
-            },
             "util-deprecate": {
               "version": "1.0.2",
               "bundled": true,
@@ -14244,7 +14221,6 @@
             "yallist": {
               "version": "3.1.1",
               "bundled": true,
-              "dev": true,
               "optional": true
             }
           }
@@ -14787,9 +14763,7 @@
             },
             "chownr": {
               "version": "1.1.3",
-              "bundled": true,
-              "dev": true,
-              "optional": true
+              "bundled": true
             },
             "code-point-at": {
               "version": "1.1.0",
@@ -14845,8 +14819,6 @@
             "fs-minipass": {
               "version": "1.2.7",
               "bundled": true,
-              "dev": true,
-              "optional": true,
               "requires": {
                 "minipass": "^2.6.0"
               }
@@ -14966,7 +14938,6 @@
             "minipass": {
               "version": "2.9.0",
               "bundled": true,
-              "dev": true,
               "optional": true,
               "requires": {
                 "safe-buffer": "^5.1.2",
@@ -14976,8 +14947,6 @@
             "minizlib": {
               "version": "1.3.3",
               "bundled": true,
-              "dev": true,
-              "optional": true,
               "requires": {
                 "minipass": "^2.9.0"
               }
@@ -15175,7 +15144,6 @@
             "safe-buffer": {
               "version": "5.1.2",
               "bundled": true,
-              "dev": true,
               "optional": true
             },
             "safer-buffer": {
@@ -15243,21 +15211,6 @@
               "dev": true,
               "optional": true
             },
-            "tar": {
-              "version": "4.4.13",
-              "bundled": true,
-              "dev": true,
-              "optional": true,
-              "requires": {
-                "chownr": "^1.1.1",
-                "fs-minipass": "^1.2.5",
-                "minipass": "^2.8.6",
-                "minizlib": "^1.2.1",
-                "mkdirp": "^0.5.0",
-                "safe-buffer": "^5.1.2",
-                "yallist": "^3.0.3"
-              }
-            },
             "util-deprecate": {
               "version": "1.0.2",
               "bundled": true,
@@ -15282,7 +15235,6 @@
             "yallist": {
               "version": "3.1.1",
               "bundled": true,
-              "dev": true,
               "optional": true
             }
           }
diff --git a/demo/yarn.lock b/demo/yarn.lock
index f7b2072b..75c70c2b 100644
--- a/demo/yarn.lock
+++ b/demo/yarn.lock
@@ -5393,10 +5393,6 @@ minimalistic-crypto-utils@^1.0.0, minimalistic-crypto-utils@^1.0.1:
   dependencies:
     brace-expansion "^1.1.7"
 
-minimist@0.0.8:
-  version "0.0.8"
-  resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
-
 minimist@^1.1.3, minimist@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
@@ -5468,13 +5464,7 @@ mixin-deep@^1.2.0:
     for-in "^1.0.2"
     is-extendable "^1.0.1"
 
-mkdirp@^0.5.0, mkdirp@~0.5.1:
-  version "0.5.1"
-  resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.5.1.tgz#30057438eac6cf7f8c4767f38648d6697d75c903"
-  dependencies:
-    minimist "0.0.8"
-
-mkdirp@^0.5.1, mkdirp@~0.5.x:
+mkdirp@^0.5.0, mkdirp@^0.5.1, mkdirp@~0.5.1, mkdirp@~0.5.x:
   version "0.5.5"
   resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.5.5.tgz#d91cefd62d1436ca0f41620e251288d420099def"
   dependencies:
@@ -8026,8 +8016,8 @@ tapable@^1.0.0, tapable@^1.1.3:
   resolved "https://registry.yarnpkg.com/tapable/-/tapable-1.1.3.tgz#a1fccc06b58db61fd7a45da2da44f5f3a3e67ba2"
 
 tar@^4.4.10:
-  version "4.4.13"
-  resolved "https://registry.yarnpkg.com/tar/-/tar-4.4.13.tgz#43b364bc52888d555298637b10d60790254ab525"
+  version "4.4.15"
+  resolved "https://registry.yarnpkg.com/tar/-/tar-4.4.15.tgz#3caced4f39ebd46ddda4d6203d48493a919697f8"
   dependencies:
     chownr "^1.1.1"
     fs-minipass "^1.2.5"