diff --git a/package.json b/package.json
index 5594934..9e5b841 100644
--- a/package.json
+++ b/package.json
@@ -55,7 +55,7 @@
     "remark-lint-table-cell-padding": "^4.1.1",
     "remark-lint-table-pipes": "^4.1.0",
     "remark-lint-unordered-list-marker-style": "^3.1.0",
-    "remark-toc": "^8.0.1",
+    "remark-toc": "^9.0.0",
     "remark-validate-links": "^12.1.0",
     "subarg": "^1.0.0",
     "supports-color": "^9.0.2",