diff --git a/package.json b/package.json
index 164e0c03..d2c85c72 100644
--- a/package.json
+++ b/package.json
@@ -50,7 +50,7 @@
   "homepage": "https://boostnote.io",
   "dependencies": {
     "@enyaxu/markdown-it-anchor": "^5.0.2",
-    "@hikerpig/markdown-it-toc-and-anchor": "^4.4.0",
+    "@hikerpig/markdown-it-toc-and-anchor": "^4.5.0",
     "@rokt33r/js-sequence-diagrams": "^2.0.6-2",
     "@rokt33r/markdown-it-math": "^4.0.1",
     "@rokt33r/season": "^5.3.0",
diff --git a/tests/lib/snapshots/markdown-test.js.md b/tests/lib/snapshots/markdown-test.js.md
index 1b66b26a..a20e1a4b 100644
--- a/tests/lib/snapshots/markdown-test.js.md
+++ b/tests/lib/snapshots/markdown-test.js.md
@@ -53,11 +53,11 @@ Generated by [AVA](https://ava.li).
 > Snapshot 1
 
     `<p data-line="1"><ul class="markdownIt-TOC">␊
-    <li><a href="#h1">H1</a>␊
+    <li><a href="#H1">H1</a>␊
     <ul>␊
-    <li><a href="#h2">H2</a>␊
+    <li><a href="#H2">H2</a>␊
     <ul>␊
-    <li><a href="#h3">H3</a></li>␊
+    <li><a href="#H3">H3</a></li>␊
     </ul>␊
     </li>␊
     </ul>␊
diff --git a/tests/lib/snapshots/markdown-test.js.snap b/tests/lib/snapshots/markdown-test.js.snap
index f6682cfb..4f7e905a 100644
Binary files a/tests/lib/snapshots/markdown-test.js.snap and b/tests/lib/snapshots/markdown-test.js.snap differ
diff --git a/yarn.lock b/yarn.lock
index a54e79e1..a4b1c65f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -74,10 +74,10 @@
   version "5.0.2"
   resolved "https://registry.yarnpkg.com/@enyaxu/markdown-it-anchor/-/markdown-it-anchor-5.0.2.tgz#d173f7b60b492aabc17dfba864c4d071f5595f72"
 
-"@hikerpig/markdown-it-toc-and-anchor@^4.4.0":
-  version "4.4.0"
-  resolved "https://registry.npmjs.org/@hikerpig/markdown-it-toc-and-anchor/-/markdown-it-toc-and-anchor-4.4.0.tgz#376f7be6a747536661402c944d0c7df9ad71da28"
-  integrity sha512-i/4bstYYAZx6Pk1W58vpr7SMEdTub7zpzJlakA0eRBkNabHnk3bFqfvUkGxFA1m1m4IxaN1V+k51fOmTPopy6Q==
+"@hikerpig/markdown-it-toc-and-anchor@^4.5.0":
+  version "4.5.0"
+  resolved "https://registry.npmjs.org/@hikerpig/markdown-it-toc-and-anchor/-/markdown-it-toc-and-anchor-4.5.0.tgz#c1652bdebfd07d41c9738254891515d759b054f0"
+  integrity sha512-PaYl/v9/ViceXm+fC+WoQOD/8lvYf76SnA3s8b/BQ6s3NpZdk/W/aW0dg5YHquQNcdaLfz3lmQTt6iafbe5tbg==
   dependencies:
     clone "^2.1.0"
     uslug "^1.0.4"