diff --git a/packages/sympress-demo/package-lock.json b/packages/sympress-demo/package-lock.json
index 1f16598..0412882 100644
--- a/packages/sympress-demo/package-lock.json
+++ b/packages/sympress-demo/package-lock.json
@@ -4864,9 +4864,9 @@
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-            "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.15.tgz",
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+            "version": "8.5.16",
+            "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.16.tgz",
+            "integrity": "sha512-vuwillviilfKZsg0VGj5R/YwwcHx4SLsIOI/7K6mQkWx+l5cUHTjj5g0AasTBcyXsbfTgrwsUNmVUb5xVwyPwg==",
             "dev": true,
             "funding": [
                 {