diff --git a/extensions/emmet/package-lock.json b/extensions/emmet/package-lock.json
index 131ce396758..cadbf5387a8 100644
--- a/extensions/emmet/package-lock.json
+++ b/extensions/emmet/package-lock.json
@@ -90,9 +90,9 @@
       }
     },
     "node_modules/@vscode/emmet-helper": {
-      "version": "2.10.0",
-      "resolved": "https://registry.npmjs.org/@vscode/emmet-helper/-/emmet-helper-2.10.0.tgz",
-      "integrity": "sha512-UHw1EQRgLbSYkyB73/7wR/IzV6zTBnbzEHuuU4Z6b95HKf2lmeTdGwBIwspWBSRrnIA1TI2x2tetBym6ErA7Gw==",
+      "version": "2.11.0",
+      "resolved": "https://registry.npmjs.org/@vscode/emmet-helper/-/emmet-helper-2.11.0.tgz",
+      "integrity": "sha512-QLxjQR3imPZPQltfbWRnHU6JecWTF1QSWhx3GAKQpslx7y3Dp6sIIXhKjiUJ/BR9FX8PVthjr9PD6pNwOJfAzw==",
       "license": "MIT",
       "dependencies": {
         "emmet": "^2.4.3",
diff --git a/extensions/emmet/src/test/completion.test.ts b/extensions/emmet/src/test/completion.test.ts
index 97ac6ecff33..4f74ba92e25 100644
--- a/extensions/emmet/src/test/completion.test.ts
+++ b/extensions/emmet/src/test/completion.test.ts
@@ -22,14 +22,14 @@ suite('Tests for completion in CSS embedded in HTML', () => {
 	});
 
 	// https://github.com/microsoft/vscode/issues/79766
-	test('#79766, correct region determination', async () => {
+	test('microsoft/vscode#79766, correct region determination', async () => {
 		await testCompletionProvider('html', `<div style="color: #000">di|</div>`, [
 			{ label: 'div', documentation: `<div>|</div>` }
 		]);
 	});
 
 	// https://github.com/microsoft/vscode/issues/86941
-	test('#86941, widows should be completed after width', async () => {
+	test('microsoft/vscode#86941, widows should be completed after width', async () => {
 		await testCompletionProvider('css', `.foo { wi| }`, [
 			{ label: 'width: ;', documentation: `width: |;` }
 		]);
@@ -56,14 +56,14 @@ suite('Tests for completion in CSS embedded in HTML', () => {
 	});
 
 	// https://github.com/microsoft/vscode/issues/117020
-	test('#117020, ! at end of abbreviation should have completion', async () => {
+	test('microsoft/vscode#117020, ! at end of abbreviation should have completion', async () => {
 		await testCompletionProvider('css', `.foo { bdbn!| }`, [
 			{ label: 'border-bottom: none !important;', documentation: `border-bottom: none !important;` }
 		]);
 	});
 
 	// https://github.com/microsoft/vscode/issues/138461
-	test('#138461, JSX array noise', async () => {
+	test('microsoft/vscode#138461, JSX array noise', async () => {
 		await testCompletionProvider('jsx', 'a[i]', undefined);
 		await testCompletionProvider('jsx', 'Component[a b]', undefined);
 		await testCompletionProvider('jsx', '[a, b]', undefined);
@@ -71,6 +71,13 @@ suite('Tests for completion in CSS embedded in HTML', () => {
 			{ label: '<div a="b"></div>', documentation: '<div a="b">|</div>' }
 		]);
 	});
+
+	// https://github.com/microsoft/vscode-emmet-helper/pull/90
+	test('microsoft/vscode-emmet-helper#90', async () => {
+		await testCompletionProvider('html', 'dialog', [
+			{ label: '<dialog></dialog>', documentation: '<dialog>|</dialog>' }
+		]);
+	});
 });
 
 interface TestCompletionItem {