diff --git a/.markdownlint-cli2.cjs b/.markdownlint-cli2.cjs
index b9355ada5..2e9fd2e40 100644
--- a/.markdownlint-cli2.cjs
+++ b/.markdownlint-cli2.cjs
@@ -22,7 +22,7 @@ module.exports = {
     // Allow multiple subheadings with the same content
     // across different section (#1 ##A ##B #2 ##A ##B)
     MD024: {
-      allow_different_nesting: true,
+      siblings_only: true,
     },
 
     // Set Ordered list item prefix to "ordered" (use 1. 2. 3. not 1. 1. 1.)
diff --git a/package.json b/package.json
index d58a2616f..57ceb2b43 100644
--- a/package.json
+++ b/package.json
@@ -159,7 +159,7 @@
     "jest": "^29.7.0",
     "jest-esm-transformer-2": "^1.0.0",
     "jest-rdf": "^1.8.0",
-    "markdownlint-cli2": "^0.10.0",
+    "markdownlint-cli2": "^0.13.0",
     "node-mocks-http": "^1.13.0",
     "nodemon": "^3.0.1",
     "set-cookie-parser": "^2.6.0",