diff --git a/packages/quill/.eslintrc.json b/packages/quill/.eslintrc.json
index a686396b13..5fdfa4a528 100644
--- a/packages/quill/.eslintrc.json
+++ b/packages/quill/.eslintrc.json
@@ -34,7 +34,8 @@
         "@typescript-eslint/no-empty-function": "off",
         "@typescript-eslint/ban-types": "off",
         "@typescript-eslint/no-explicit-any": "off",
-        "import/no-named-as-default-member": "off"
+        "import/no-named-as-default-member": "off",
+        "prefer-arrow-callback": "error"
       }
     }
   ]
diff --git a/packages/quill/test/unit/blots/inline.spec.ts b/packages/quill/test/unit/blots/inline.spec.ts
index 2c5a9da098..4f6cacfde2 100644
--- a/packages/quill/test/unit/blots/inline.spec.ts
+++ b/packages/quill/test/unit/blots/inline.spec.ts
@@ -25,7 +25,7 @@ describe('Inline', () => {
     );
     const p = scroll.domNode.firstChild as HTMLParagraphElement;
     const em = document.createElement('em');
-    Array.from(p.childNodes).forEach(function (node) {
+    Array.from(p.childNodes).forEach((node) => {
       em.appendChild(node);
     });
     p.appendChild(em);
diff --git a/packages/quill/test/unit/core/composition.spec.ts b/packages/quill/test/unit/core/composition.spec.ts
index 7d2a623120..2a68f4d332 100644
--- a/packages/quill/test/unit/core/composition.spec.ts
+++ b/packages/quill/test/unit/core/composition.spec.ts
@@ -5,7 +5,7 @@ import { describe, expect, test, vitest } from 'vitest';
 import { createRegistry } from '../__helpers__/factory';
 import Quill from '../../../src/core';
 
-describe('Composition', function () {
+describe('Composition', () => {
   test('triggers events on compositionstart', async () => {
     const emitter = new Emitter();
     const scroll = new Scroll(createRegistry(), document.createElement('div'), {