diff --git a/types/quill/index.d.ts b/types/quill/index.d.ts
index e4b11ca64e..afbdfa9222 100644
--- a/types/quill/index.d.ts
+++ b/types/quill/index.d.ts
@@ -176,6 +176,7 @@ export class Quill implements EventEmitter {
     formatText(index: number, length: number, format: string, value: any, source?: Sources): DeltaStatic;
     formatText(index: number, length: number, formats: StringMap, source?: Sources): DeltaStatic;
     formatText(range: RangeStatic, format: string, value: any, source?: Sources): DeltaStatic;
+    formatText(range: RangeStatic, formats: StringMap, source?: Sources): DeltaStatic;
     getFormat(range?: RangeStatic): StringMap;
     getFormat(index: number, length?: number): StringMap;
     removeFormat(index: number, length: number, source?: Sources): DeltaStatic;
diff --git a/types/quill/quill-tests.ts b/types/quill/quill-tests.ts
index a648cfa082..d0bc3a2189 100644
--- a/types/quill/quill-tests.ts
+++ b/types/quill/quill-tests.ts
@@ -85,6 +85,15 @@ function test_formatText3() {
     quillEditor.formatText(range, 'bold', true);
 }
 
+function test_formatText4() {
+    const quillEditor = new Quill('#editor');
+    const range = {index: 0, length: 5};
+    quillEditor.formatText(range, {
+        bold: false,
+        color: 'rgb(0, 0, 255)'
+    });
+}
+
 function test_formatLine1() {
     const quillEditor = new Quill('#editor');
     quillEditor.formatLine(1, 3, 'api');