diff --git a/demo/frontend/package-lock.json b/demo/frontend/package-lock.json
index 4b08c03..bcfbfb0 100644
--- a/demo/frontend/package-lock.json
+++ b/demo/frontend/package-lock.json
@@ -4261,11 +4261,11 @@
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+      "resolved": "https://registry.npmjs.org/fs-minipass/-/fs-minipass-1.2.7.tgz",
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-        "minipass": "^2.2.1"
+        "minipass": "^2.6.0"
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@@ -6341,20 +6341,20 @@
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     "minipass": {
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-      "resolved": "https://registry.npmjs.org/minipass/-/minipass-2.3.5.tgz",
-      "integrity": "sha512-Gi1W4k059gyRbyVUZQ4mEqLm0YIUiGYfvxhF6SIlk3ui1WVxMTGfGdQ2SInh3PDrRTVvPKgULkpJtT4RH10+VA==",
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+      "resolved": "https://registry.npmjs.org/minipass/-/minipass-2.9.0.tgz",
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-      "resolved": "https://registry.npmjs.org/minizlib/-/minizlib-1.2.1.tgz",
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+      "resolved": "https://registry.npmjs.org/minizlib/-/minizlib-1.3.3.tgz",
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-        "minipass": "^2.2.1"
+        "minipass": "^2.9.0"
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@@ -9704,17 +9704,47 @@
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-      "resolved": "https://registry.npmjs.org/tar/-/tar-4.4.9.tgz",
-      "integrity": "sha512-xisFa7Q2i3HOgfn+nmnWLGHD6Tm23hxjkx6wwGmgxkJFr6wxwXnJOdJYcZjL453PSdF0+bemO03+flAzkIdLBQ==",
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+      "resolved": "https://registry.npmjs.org/tar/-/tar-4.4.18.tgz",
+      "integrity": "sha512-ZuOtqqmkV9RE1+4odd+MhBpibmCxNP6PJhH/h2OqNuotTX7/XHPZQJv2pKvWMplFH9SIZZhitehh6vBH6LO8Pg==",
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-        "chownr": "^1.1.1",
-        "fs-minipass": "^1.2.5",
-        "minipass": "^2.3.5",
-        "minizlib": "^1.2.1",
-        "mkdirp": "^0.5.0",
-        "safe-buffer": "^5.1.2",
-        "yallist": "^3.0.3"
+        "chownr": "^1.1.4",
+        "fs-minipass": "^1.2.7",
+        "minipass": "^2.9.0",
+        "minizlib": "^1.3.3",
+        "mkdirp": "^0.5.5",
+        "safe-buffer": "^5.2.1",
+        "yallist": "^3.1.1"
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+          "resolved": "https://registry.npmjs.org/chownr/-/chownr-1.1.4.tgz",
+          "integrity": "sha512-jJ0bqzaylmJtVnNgzTeSOs8DPavpbYgEr/b0YL8/2GO3xJEhInFmhKMUnEJQjZumK7KXGFhUy89PrsJWlakBVg=="
+        },
+        "minimist": {
+          "version": "1.2.5",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.5.tgz",
+          "integrity": "sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw=="
+        },
+        "mkdirp": {
+          "version": "0.5.5",
+          "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.5.tgz",
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+          }
+        },
+        "safe-buffer": {
+          "version": "5.2.1",
+          "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.1.tgz",
+          "integrity": "sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ=="
+        },
+        "yallist": {
+          "version": "3.1.1",
+          "resolved": "https://registry.npmjs.org/yallist/-/yallist-3.1.1.tgz",
+          "integrity": "sha512-a4UGQaWPH59mOXUYnAG2ewncQS4i4F43Tv3JoAM+s2VDAmS9NsK8GpDMLrCHPksFT7h3K6TOoUNn2pb7RoXx4g=="
+        }
       }
     },
     "tar-stream": {
diff --git a/demo/frontend/package.json b/demo/frontend/package.json
index a9a377f..c98995d 100644
--- a/demo/frontend/package.json
+++ b/demo/frontend/package.json
@@ -83,7 +83,7 @@
     "style-loader": "^0.23.1",
     "sugarss": "^2.0.0",
     "svg-url-loader": "^2.3.2",
-    "tar": "^4.4.8",
+    "tar": "^4.4.18",
     "url-loader": "^1.1.2",
     "vue": "^2.6.10",
     "vue-fullscreen": "^2.1.5",