diff --git a/demo-npm/package-lock.json b/demo-npm/package-lock.json
index 8e4f7b2..6383f1f 100644
--- a/demo-npm/package-lock.json
+++ b/demo-npm/package-lock.json
@@ -5937,9 +5937,9 @@
       "dev": true
     },
     "postcss": {
-      "version": "7.0.34",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-7.0.34.tgz",
-      "integrity": "sha512-H/7V2VeNScX9KE83GDrDZNiGT1m2H+UTnlinIzhjlLX9hfMUn1mHNnGeX81a1c8JSBdBvqk7c2ZOG6ZPn5itGw==",
+      "version": "7.0.36",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-7.0.36.tgz",
+      "integrity": "sha512-BebJSIUMwJHRH0HAQoxN4u1CN86glsrwsW0q7T+/m44eXOUAxSNdHRkNZPYz5vVUbg17hFgOQDE7fZk7li3pZw==",
       "dev": true,
       "requires": {
         "chalk": "^2.4.2",
diff --git a/demo-npm/package.json b/demo-npm/package.json
index 17728a5..1127afe 100644
--- a/demo-npm/package.json
+++ b/demo-npm/package.json
@@ -24,7 +24,7 @@
     "eslint": "^6.8.0",
     "eslint-loader": "^3.0.3",
     "mini-css-extract-plugin": "^0.8.0",
-    "postcss": "^7.0.26",
+    "postcss": "^7.0.36",
     "postcss-custom-media": "^7.0.8",
     "postcss-import": "^12.0.1",
     "postcss-loader": "^3.0.0",