diff --git a/package.json b/package.json
index 434baa0c21..803ca1e680 100644
--- a/package.json
+++ b/package.json
@@ -54,7 +54,7 @@
     "instant.page": "^5.1",
     "katex": "^0.16",
     "lazysizes": "^5.3",
-    "markdownlint-cli2": "^0.20.0",
+    "markdownlint-cli2": "^0.21.0",
     "netlify-plugin-submit-sitemap": "^0.4.0",
     "node-fetch": "^3.2",
     "postcss": "^8.4",