diff --git a/demos/package.json b/demos/package.json
index 973badd78c..4960bff1b1 100644
--- a/demos/package.json
+++ b/demos/package.json
@@ -66,7 +66,7 @@
     "d3-array": "~1.2.1",
     "d3-format": "~1.2.1",
     "d3-scale": "~1.0.7",
-    "minimist": "~1.2.0",
+    "minimist": "~1.2.6",
     "mkdirp": "~0.5.1",
     "poi": "~9.5.4",
     "poi-preset-typescript": "~9.0.2",
diff --git a/demos/yarn.lock b/demos/yarn.lock
index 4c03d7a79e..52f7640d26 100644
--- a/demos/yarn.lock
+++ b/demos/yarn.lock
@@ -3913,9 +3913,9 @@ minimist@0.0.8:
   version "0.0.8"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
 
-minimist@^1.1.0, minimist@^1.1.3, minimist@^1.2.0, minimist@~1.2.0:
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
+minimist@^1.1.0, minimist@^1.1.3, minimist@^1.2.0, minimist@~1.2.6:
+  version "1.2.6"
+  resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.6.tgz#8637a5b759ea0d6e98702cfb3a9283323c93af44"
 
 minimost@^1.0.0:
   version "1.0.0"