diff --git a/package.json b/package.json
index 6e182683..632fd4c2 100644
--- a/package.json
+++ b/package.json
@@ -19,8 +19,8 @@
     "url": "https://github.com/Microsoft/monaco-css/issues"
   },
   "devDependencies": {
-    "monaco-editor-core": "0.13.2",
-    "monaco-languages": "1.3.1",
+    "monaco-editor-core": "0.14.0",
+    "monaco-languages": "1.4.0",
     "monaco-plugin-helpers": "^1.0.2",
     "requirejs": "^2.3.5",
     "typescript": "3.0.1",
diff --git a/src/languageFeatures.ts b/src/languageFeatures.ts
index 4e444df5..223aa918 100644
--- a/src/languageFeatures.ts
+++ b/src/languageFeatures.ts
@@ -458,7 +458,7 @@ export class DocumentSymbolAdapter implements monaco.languages.DocumentSymbolPro
 	constructor(private _worker: WorkerAccessor) {
 	}
 
-	public provideDocumentSymbols(model: monaco.editor.IReadOnlyModel, token: CancellationToken): Thenable<monaco.languages.SymbolInformation[]> {
+	public provideDocumentSymbols(model: monaco.editor.IReadOnlyModel, token: CancellationToken): Thenable<monaco.languages.DocumentSymbol[]> {
 		const resource = model.uri;
 
 		return wireCancellationToken(token, this._worker(resource).then(worker => worker.findDocumentSymbols(resource.toString())).then(items => {
@@ -467,9 +467,11 @@ export class DocumentSymbolAdapter implements monaco.languages.DocumentSymbolPro
 			}
 			return items.map(item => ({
 				name: item.name,
+				detail: '',
 				containerName: item.containerName,
 				kind: toSymbolKind(item.kind),
-				location: toLocation(item.location)
+				range: toRange(item.location.range),
+				selectionRange: toRange(item.location.range)
 			}));
 		}));
 	}