diff --git a/package.json b/package.json
index dd9aa4f..37561a1 100644
--- a/package.json
+++ b/package.json
@@ -19,6 +19,7 @@
     "next": "16.2.6",
     "react": "19.2.4",
     "react-dom": "19.2.4",
+    "remark-frontmatter": "^5.0.0",
     "rehype-autolink-headings": "^7.1.0",
     "rehype-external-links": "^3.0.0",
     "rehype-katex": "^7.0.1",