diff --git a/extensions/extension-editing/package-lock.json b/extensions/extension-editing/package-lock.json
index be1aa96eea6..d96f9a2bcca 100644
--- a/extensions/extension-editing/package-lock.json
+++ b/extensions/extension-editing/package-lock.json
@@ -14,18 +14,37 @@
         "parse5": "^3.0.2"
       },
       "devDependencies": {
-        "@types/markdown-it": "0.0.2",
+        "@types/markdown-it": "^14",
         "@types/node": "22.x"
       },
       "engines": {
         "vscode": "^1.4.0"
       }
     },
+    "node_modules/@types/linkify-it": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/@types/linkify-it/-/linkify-it-5.0.0.tgz",
+      "integrity": "sha512-sVDA58zAw4eWAffKOaQH5/5j3XeayukzDk+ewSsnv3p4yJEZHCCzMDiZM8e0OUrRvmpGZ85jf4yDHkHsgBNr9Q==",
+      "dev": true,
+      "license": "MIT"
+    },
     "node_modules/@types/markdown-it": {
-      "version": "0.0.2",
-      "resolved": "https://registry.npmjs.org/@types/markdown-it/-/markdown-it-0.0.2.tgz",
-      "integrity": "sha1-XZrRnm5lCM3S8llt+G/Qqt5ZhmA= sha512-A2seE+zJYSjGHy7L/v0EN/xRfgv2A60TuXOwI8tt5aZxF4UeoYIkM2jERnNH8w4VFr7oFEm0lElGOao7fZgygQ==",
-      "dev": true
+      "version": "14.1.2",
+      "resolved": "https://registry.npmjs.org/@types/markdown-it/-/markdown-it-14.1.2.tgz",
+      "integrity": "sha512-promo4eFwuiW+TfGxhi+0x3czqTYJkG8qB17ZUJiVF10Xm7NLVRSLUsfRTU/6h1e24VvRnXCx+hG7li58lkzog==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@types/linkify-it": "^5",
+        "@types/mdurl": "^2"
+      }
+    },
+    "node_modules/@types/mdurl": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/@types/mdurl/-/mdurl-2.0.0.tgz",
+      "integrity": "sha512-RGdgjQUZba5p6QEFAVx2OGb8rQDL/cPRG7GiedRzMcJ1tYnUANBncjbSB1NRGwbvjcPeikRABz2nshyPk1bhWg==",
+      "dev": true,
+      "license": "MIT"
     },
     "node_modules/@types/node": {
       "version": "22.13.10",
diff --git a/extensions/extension-editing/package.json b/extensions/extension-editing/package.json
index 3e277dbbfd3..c491fbedca2 100644
--- a/extensions/extension-editing/package.json
+++ b/extensions/extension-editing/package.json
@@ -66,7 +66,7 @@
     ]
   },
   "devDependencies": {
-    "@types/markdown-it": "0.0.2",
+    "@types/markdown-it": "^14",
     "@types/node": "22.x"
   },
   "repository": {
diff --git a/extensions/extension-editing/src/extensionLinter.ts b/extensions/extension-editing/src/extensionLinter.ts
index 5c73304b4d8..6249500e2d1 100644
--- a/extensions/extension-editing/src/extensionLinter.ts
+++ b/extensions/extension-editing/src/extensionLinter.ts
@@ -8,7 +8,7 @@ import * as fs from 'fs';
 import { URL } from 'url';
 
 import { parseTree, findNodeAtLocation, Node as JsonNode, getNodeValue } from 'jsonc-parser';
-import * as MarkdownItType from 'markdown-it';
+import type MarkdownIt from 'markdown-it';
 
 import { commands, languages, workspace, Disposable, TextDocument, Uri, Diagnostic, Range, DiagnosticSeverity, Position, env, l10n } from 'vscode';
 import { INormalizedVersion, normalizeVersion, parseVersion } from './extensionEngineValidation';
@@ -44,7 +44,7 @@ enum Context {
 }
 
 interface TokenAndPosition {
-	token: MarkdownItType.Token;
+	token: MarkdownIt.Token;
 	begin: number;
 	end: number;
 }
@@ -67,7 +67,7 @@ export class ExtensionLinter {
 	private packageJsonQ = new Set<TextDocument>();
 	private readmeQ = new Set<TextDocument>();
 	private timer: NodeJS.Timeout | undefined;
-	private markdownIt: MarkdownItType.MarkdownIt | undefined;
+	private markdownIt: MarkdownIt | undefined;
 	private parse5: typeof import('parse5') | undefined;
 
 	constructor() {
@@ -292,7 +292,7 @@ export class ExtensionLinter {
 				this.markdownIt = new ((await import('markdown-it')).default);
 			}
 			const tokens = this.markdownIt.parse(text, {});
-			const tokensAndPositions: TokenAndPosition[] = (function toTokensAndPositions(this: ExtensionLinter, tokens: MarkdownItType.Token[], begin = 0, end = text.length): TokenAndPosition[] {
+			const tokensAndPositions: TokenAndPosition[] = (function toTokensAndPositions(this: ExtensionLinter, tokens: MarkdownIt.Token[], begin = 0, end = text.length): TokenAndPosition[] {
 				const tokensAndPositions = tokens.map<TokenAndPosition>(token => {
 					if (token.map) {
 						const tokenBegin = document.offsetAt(new Position(token.map[0], 0));
@@ -313,7 +313,7 @@ export class ExtensionLinter {
 				});
 				return tokensAndPositions.concat(
 					...tokensAndPositions.filter(tnp => tnp.token.children && tnp.token.children.length)
-						.map(tnp => toTokensAndPositions.call(this, tnp.token.children, tnp.begin, tnp.end))
+						.map(tnp => toTokensAndPositions.call(this, tnp.token.children ?? [], tnp.begin, tnp.end))
 				);
 			}).call(this, tokens);
 
@@ -373,7 +373,7 @@ export class ExtensionLinter {
 		}
 	}
 
-	private locateToken(text: string, begin: number, end: number, token: MarkdownItType.Token, content: string | null) {
+	private locateToken(text: string, begin: number, end: number, token: MarkdownIt.Token, content: string | null) {
 		if (content) {
 			const tokenBegin = text.indexOf(content, begin);
 			if (tokenBegin !== -1) {
diff --git a/src/tsconfig.vscode-dts.json b/src/tsconfig.vscode-dts.json
index b83f686e4f3..fae0ce15c38 100644
--- a/src/tsconfig.vscode-dts.json
+++ b/src/tsconfig.vscode-dts.json
@@ -1,7 +1,7 @@
 {
 	"compilerOptions": {
 		"noEmit": true,
-		"module": "None",
+		"module": "preserve",
 		"experimentalDecorators": false,
 		"noImplicitReturns": true,
 		"noImplicitOverride": true,