diff --git a/package-lock.json b/package-lock.json
index 173938f..275cf95 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -7172,9 +7172,9 @@
       }
     },
     "postcss": {
-      "version": "8.3.0",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.3.0.tgz",
-      "integrity": "sha512-+ogXpdAjWGa+fdYY5BQ96V/6tAo+TdSSIMP5huJBIygdWwKtVoB5JWZ7yUd4xZ8r+8Kvvx4nyg/PQ071H4UtcQ==",
+      "version": "8.3.5",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.3.5.tgz",
+      "integrity": "sha512-NxTuJocUhYGsMiMFHDUkmjSKT3EdH4/WbGF6GCi1NDGk+vbcUTun4fpbOqaPtD8IIsztA2ilZm2DhYCuyN58gA==",
       "dev": true,
       "requires": {
         "colorette": "^1.2.2",
diff --git a/package.json b/package.json
index a76e35a..704203d 100644
--- a/package.json
+++ b/package.json
@@ -41,7 +41,7 @@
     "@types/node": "^15.12.1",
     "esbuild": "^0.12.6",
     "npm-run-all": "^4.1.5",
-    "postcss": "8.3.0",
+    "postcss": "8.3.5",
     "postcss-cli": "^8.3.1",
     "renderless-svelte": "^1.7.0",
     "rollup": "^2.52.0",