diff --git a/package.json b/package.json
index cf12fe7..5b32f21 100644
--- a/package.json
+++ b/package.json
@@ -54,7 +54,7 @@
     "jsonc-parser": "^2.0.2",
     "lint-staged": "^8.1.0",
     "monaco-editor": "^0.16.2",
-    "monaco-editor-core": "0.15.5",
+    "monaco-editor-core": "0.16.1",
     "monaco-languages": "1.6.0",
     "monaco-plugin-helpers": "^1.0.2",
     "prettier": "^1.19.1",
diff --git a/src/languageFeatures.ts b/src/languageFeatures.ts
index 1357d9d..4b48a28 100644
--- a/src/languageFeatures.ts
+++ b/src/languageFeatures.ts
@@ -326,6 +326,11 @@ export class CompletionAdapter
               documentation: entry.documentation,
               detail: entry.detail,
               kind: toCompletionItemKind(entry.kind),
+              range: {
+                startLineNumber: position.lineNumber,
+                endLineNumber: position.lineNumber,
+                ...wordInfo,
+              },
             };
             if (entry.textEdit) {
               item.range = toRange(entry.textEdit.range);
diff --git a/src/workerManager.ts b/src/workerManager.ts
index a5a4908..41e2a25 100644
--- a/src/workerManager.ts
+++ b/src/workerManager.ts
@@ -7,7 +7,6 @@
 import { LanguageServiceDefaultsImpl } from './monaco.contribution';
 import { YAMLWorker } from './yamlWorker';
 
-import Promise = monaco.Promise;
 import IDisposable = monaco.IDisposable;
 import Uri = monaco.Uri;
 
diff --git a/src/yamlMode.ts b/src/yamlMode.ts
index 2d15187..ce0e41f 100644
--- a/src/yamlMode.ts
+++ b/src/yamlMode.ts
@@ -9,7 +9,6 @@ import { LanguageServiceDefaultsImpl } from './monaco.contribution';
 import { WorkerManager } from './workerManager';
 import { YAMLWorker } from './yamlWorker';
 
-import Promise = monaco.Promise;
 import Uri = monaco.Uri;
 import IDisposable = monaco.IDisposable;
 
diff --git a/src/yamlWorker.ts b/src/yamlWorker.ts
index cb3f779..af1ec5e 100644
--- a/src/yamlWorker.ts
+++ b/src/yamlWorker.ts
@@ -6,7 +6,6 @@
  *--------------------------------------------------------------------------------------------*/
 'use strict';
 
-import Promise = monaco.Promise;
 import Thenable = monaco.Thenable;
 import IWorkerContext = monaco.worker.IWorkerContext;
 
@@ -52,7 +51,7 @@ export class YAMLWorker {
     if (document) {
       return this._languageService.doValidation(document, this._isKubernetes);
     }
-    return Promise.as([]);
+    return Promise.resolve([]);
   }
 
   public doComplete(
@@ -83,17 +82,17 @@ export class YAMLWorker {
   ): Thenable<ls.TextEdit[]> {
     const document = this._getTextDocument(uri);
     const textEdits = this._languageService.doFormat(document, options);
-    return Promise.as(textEdits);
+    return Promise.resolve(textEdits);
   }
 
   public resetSchema(uri: string): Thenable<boolean> {
-    return Promise.as(this._languageService.resetSchema(uri));
+    return Promise.resolve(this._languageService.resetSchema(uri));
   }
 
   public findDocumentSymbols(uri: string): Thenable<ls.DocumentSymbol[]> {
     const document = this._getTextDocument(uri);
     const symbols = this._languageService.findDocumentSymbols2(document);
-    return Promise.as(symbols);
+    return Promise.resolve(symbols);
   }
 
   private _getTextDocument(uri: string): ls.TextDocument {
diff --git a/yarn.lock b/yarn.lock
index ef4432d..e702890 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2807,10 +2807,10 @@ mkdirp@0.x, mkdirp@^0.5.0, mkdirp@^0.5.1:
   dependencies:
     minimist "0.0.8"
 
-monaco-editor-core@0.15.5:
-  version "0.15.5"
-  resolved "https://registry.yarnpkg.com/monaco-editor-core/-/monaco-editor-core-0.15.5.tgz#145f1953a8e319282d92502252d68ef3486b6875"
-  integrity sha512-kM3KHRjj16cFdK5Z0EppKUu793JVMpsEesBSWlqdgrxcmjyDMXV6xK0oatPcAYp3eOfbbyjPhruxDXj85FKyIg==
+monaco-editor-core@0.16.1:
+  version "0.16.1"
+  resolved "https://registry.yarnpkg.com/monaco-editor-core/-/monaco-editor-core-0.16.1.tgz#cb0242ef09e479e4482bffcc228ce7d1f266a20e"
+  integrity sha512-nydAuVbU3B1T/sNz4ZiO+92HUnLyVE4YQWr91R8WDEBItFZuwPs7Z2VaCTgouU6BwNrSnDdK/kAyhKgpih+GHQ==
 
 monaco-editor@^0.16.2:
   version "0.16.2"