diff --git a/index.d.ts b/index.d.ts
index 37f233281dac070b5b64ad810d766dce269e095e..3698e98b27ddf4849097811e1e8b25df955fb9b9 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -195,7 +195,7 @@ export class Image {
   readonly naturalHeight: number
   readonly complete: boolean
   alt: string
-  src: Buffer
+  src: Buffer<ArrayBuffer>
   onload?(): void
   onerror?(err: Error): void
 }
@@ -296,7 +296,7 @@ export interface SvgCanvas {
   height: number
   getContext(contextType: '2d', contextAttributes?: ContextAttributes): SKRSContext2D
 
-  getContent(): Buffer
+  getContent(): Buffer<ArrayBuffer>
 }
 
 export interface AvifConfig {
@@ -360,18 +360,18 @@ export class Canvas {
   width: number
   height: number
   getContext(contextType: '2d', contextAttributes?: ContextAttributes): SKRSContext2D
-  encodeSync(format: 'webp' | 'jpeg', quality?: number): Buffer
-  encodeSync(format: 'png'): Buffer
-  encodeSync(format: 'avif', cfg?: AvifConfig): Buffer
-  encode(format: 'webp' | 'jpeg', quality?: number): Promise<Buffer>
-  encode(format: 'png'): Promise<Buffer>
-  encode(format: 'avif', cfg?: AvifConfig): Promise<Buffer>
-
-  toBuffer(mime: 'image/png'): Buffer
-  toBuffer(mime: 'image/jpeg' | 'image/webp', quality?: number): Buffer
-  toBuffer(mime: 'image/avif', cfg?: AvifConfig): Buffer
+  encodeSync(format: 'webp' | 'jpeg', quality?: number): Buffer<ArrayBuffer>
+  encodeSync(format: 'png'): Buffer<ArrayBuffer>
+  encodeSync(format: 'avif', cfg?: AvifConfig): Buffer<ArrayBuffer>
+  encode(format: 'webp' | 'jpeg', quality?: number): Promise<Buffer<ArrayBuffer>>
+  encode(format: 'png'): Promise<Buffer<ArrayBuffer>>
+  encode(format: 'avif', cfg?: AvifConfig): Promise<Buffer<ArrayBuffer>>
+
+  toBuffer(mime: 'image/png'): Buffer<ArrayBuffer>
+  toBuffer(mime: 'image/jpeg' | 'image/webp', quality?: number): Buffer<ArrayBuffer>
+  toBuffer(mime: 'image/avif', cfg?: AvifConfig): Buffer<ArrayBuffer>
   // raw pixels
-  data(): Buffer
+  data(): Buffer<ArrayBuffer>
   toDataURL(mime?: 'image/png'): string
   toDataURL(mime: 'image/jpeg' | 'image/webp', quality?: number): string
   toDataURL(mime?: 'image/jpeg' | 'image/webp' | 'image/png', quality?: number): string
@@ -439,7 +439,7 @@ export enum SvgExportFlag {
   RelativePathEncoding = 0x04,
 }
 
-export function convertSVGTextToPath(svg: Buffer | string): Buffer
+export function convertSVGTextToPath(svg: Buffer | string): Buffer<ArrayBuffer>
 
 export interface LoadImageOptions {
   alt?: string