diff --git a/lib/build-pages/page-builders/md/get-md.js b/lib/build-pages/page-builders/md/get-md.js
index a93a0b44..459200ca 100644
--- a/lib/build-pages/page-builders/md/get-md.js
+++ b/lib/build-pages/page-builders/md/get-md.js
@@ -39,7 +39,6 @@ export async function getMd (settingsPath = null) {
   const md = markdownIt(mdOpts)
     .use(markdownItSub)
     .use(markdownItSup)
-    // @ts-expect-error
     .use(markdownItFootnote)
     .use(markdownItDeflist)
     .use(markdownItEmoji)
@@ -48,7 +47,6 @@ export async function getMd (settingsPath = null) {
     .use(markdownItAbbr)
     .use(markdownItTaskList)
     .use(markdownItAnchor)
-    // @ts-expect-error
     .use(markdownItAttrs)
     .use(markdownItTOC, {
       includeLevel: [1, 2, 3],
@@ -79,7 +77,7 @@ export async function getMd (settingsPath = null) {
  * Renders markdown, and accepts an optional markdown-it instance
  * @param  {string} mdUnparsed unparsed markdown
  * @param  {object} vars to expose to handlebars
- * @param  {markdownIt?} [md]         an instance of markdown
+ * @param  {InstanceType<typeof markdownIt> | null} [md] an instance of markdown
  * @param  {string | null | undefined} [settingsPath] Path to the markdown-it settings file
  * @return {Promise<string>}            Rendered markdown to html
  */
diff --git a/lib/build-pages/page-builders/md/index.js b/lib/build-pages/page-builders/md/index.js
index de6204ae..10ac8981 100644
--- a/lib/build-pages/page-builders/md/index.js
+++ b/lib/build-pages/page-builders/md/index.js
@@ -9,7 +9,7 @@ import { getMd, renderMd } from './get-md.js'
 import { extractFirstH1 } from './extract-title-from-md.js'
 import { parseMdFileContents } from './parse-md.js'
 
-/** @type {markdownIt | null} */
+/** @type {InstanceType<typeof markdownIt> | null} */
 let md = null
 
 /**
diff --git a/package.json b/package.json
index 80aad9e5..932c666e 100644
--- a/package.json
+++ b/package.json
@@ -37,12 +37,12 @@
     "ignore": "^7.0.0",
     "js-yaml": "^5.1.0",
     "make-array": "^1.0.5",
-    "markdown-it": "^14.1.0",
+    "markdown-it": "^15.0.0",
     "markdown-it-abbr": "^2.0.0",
     "markdown-it-anchor": "^9.0.1",
     "markdown-it-attrs": "^5.0.0",
     "markdown-it-deflist": "^4.0.0",
-    "markdown-it-emoji": "^3.0.0",
+    "markdown-it-emoji": "^3.1.0",
     "markdown-it-footnote": "^4.0.0",
     "markdown-it-highlightjs": "^4.1.0",
     "markdown-it-ins": "^4.0.0",
@@ -64,7 +64,6 @@
   },
   "devDependencies": {
     "@playwright/test": "^1.61.1",
-    "@types/markdown-it": "^14.1.1",
     "@types/markdown-it-footnote": "^3.0.4",
     "@types/node": "^26.0.1",
     "@types/pretty": "^2.0.3",
diff --git a/test-cases/general-features/src/markdown-it.settings.js b/test-cases/general-features/src/markdown-it.settings.js
index 09f15815..6829054f 100644
--- a/test-cases/general-features/src/markdown-it.settings.js
+++ b/test-cases/general-features/src/markdown-it.settings.js
@@ -9,8 +9,8 @@
 
 /**
  * Customize the markdown-it instance
- * @param {markdownIt} md - The markdown-it instance
- * @returns {Promise<markdownIt>} - The modified markdown-it instance
+ * @param {InstanceType<typeof markdownIt>} md - The markdown-it instance
+ * @returns {Promise<InstanceType<typeof markdownIt>>} - The modified markdown-it instance
  */
 export default async function markdownItSettingsOverride (md) {
   // Add custom container for test-box
@@ -25,7 +25,7 @@ export default async function markdownItSettingsOverride (md) {
 function createTestBoxPlugin () {
   const TEST_BOX_MARKER = 'test-box'
 
-  return (/** @type {markdownIt} */md) => {
+  return (/** @type {InstanceType<typeof markdownIt>} */md) => {
     // @ts-ignore
     const container = (state, startLine, endLine, silent) => {
       let pos = state.bMarks[startLine] + state.tShift[startLine]