diff --git a/__tests__/github.test.ts b/__tests__/github.test.ts
index 52c831dc8..62ca4195a 100644
--- a/__tests__/github.test.ts
+++ b/__tests__/github.test.ts
@@ -1,6 +1,5 @@
-//import * as assert from "assert";
-//const assert = require('assert');
 import * as assert from "assert";
+import { text } from "stream/consumers";
 import { mimeOrDefault, asset } from "../src/github";
 
 describe("github", () => {
@@ -19,7 +18,7 @@ describe("github", () => {
       assert.equal(name, "bar.txt");
       assert.equal(mime, "text/plain");
       assert.equal(size, 10);
-      assert.equal(data.toString(), "release me");
+      assert.equal(await text(data), "release me");
     });
   });
 });
diff --git a/src/github.ts b/src/github.ts
index 24b0f8671..0014dab3d 100644
--- a/src/github.ts
+++ b/src/github.ts
@@ -1,6 +1,6 @@
 import { GitHub } from "@actions/github/lib/utils";
 import { Config, isTag, releaseBody, alignAssetName } from "./util";
-import { statSync, readFileSync } from "fs";
+import { createReadStream, statSync, type ReadStream } from "fs";
 import { getType } from "mime";
 import { basename } from "path";
 
@@ -10,7 +10,7 @@ export interface ReleaseAsset {
   name: string;
   mime: string;
   size: number;
-  data: Buffer;
+  data: ReadStream;
 }
 
 export interface Release {
@@ -145,7 +145,7 @@ export const asset = (path: string): ReleaseAsset => {
     name: basename(path),
     mime: mimeOrDefault(path),
     size: statSync(path).size,
-    data: readFileSync(path),
+    data: createReadStream(path, "binary"),
   };
 };