diff --git a/package-lock.json b/package-lock.json
index 28588275..9a8f4eb7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -219,9 +219,9 @@
 			}
 		},
 		"monaco-editor-core": {
-			"version": "0.27.0",
-			"resolved": "https://registry.npmjs.org/monaco-editor-core/-/monaco-editor-core-0.27.0.tgz",
-			"integrity": "sha512-x7I0QiIwwvxt1lzYSoQjf1xGjtEPobFx3Zvrj+tWbJbJFsXUy11IJ6TEIZ2yRjEFzuy+vrlbcfASC6lcGg/xhw==",
+			"version": "0.28.0",
+			"resolved": "https://registry.npmjs.org/monaco-editor-core/-/monaco-editor-core-0.28.0.tgz",
+			"integrity": "sha512-43I2B5UMuw5v+tDmFMRK40iprHWyEq5zXuRRhiWzCyMsO8NAmTP0F1PVFDM03A3+SteGiR1ARYg4Go2DgaLF5g==",
 			"dev": true
 		},
 		"monaco-languages": {
@@ -443,9 +443,9 @@
 			"dev": true
 		},
 		"vscode-html-languageservice": {
-			"version": "4.0.7",
-			"resolved": "https://registry.npmjs.org/vscode-html-languageservice/-/vscode-html-languageservice-4.0.7.tgz",
-			"integrity": "sha512-P5TQMYpgxAdLs+PwpC7Lm+0lXCyQAC6kZ41YuPYNHVooC4XO7Y2+ncHBcQJVK4C9LU2cTOAl0lzq4WAxuwRHYw==",
+			"version": "4.0.8",
+			"resolved": "https://registry.npmjs.org/vscode-html-languageservice/-/vscode-html-languageservice-4.0.8.tgz",
+			"integrity": "sha512-VJ4boG3uOD5Ls0pCvml7ZkHY+f1uDuxr+wR39XrerPr7qQFAu91DRTBuOzBsp6lV3x5Vz2S835AS2ZzLNmezbg==",
 			"dev": true,
 			"requires": {
 				"vscode-languageserver-textdocument": "^1.0.1",
diff --git a/package.json b/package.json
index e8e08af0..927e8984 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
 	"typings": "./release/esm/monaco.contribution.d.ts",
 	"devDependencies": {
 		"husky": "^5.1.3",
-		"monaco-editor-core": "0.27.0",
+		"monaco-editor-core": "0.28.0",
 		"monaco-languages": "^2.4.0",
 		"monaco-plugin-helpers": "^1.0.3",
 		"prettier": "^2.2.1",