diff --git a/src/createForgejoRelease.mjs b/src/createForgejoRelease.mjs
index 1421c19..395d064 100644
--- a/src/createForgejoRelease.mjs
+++ b/src/createForgejoRelease.mjs
@@ -1,3 +1,4 @@
+import { createReadStream } from "fs";
 import axios from "axios";
 
 const {
@@ -7,15 +8,13 @@ const {
 	FORGEJO_REPOSITORY: REPO,
 	FORGEJO_TOKEN: TOKEN,
 	FORGEJO_REF_NAME: TARGET_REF,
-	CDN_URL,
 } = process.env;
 
-// TODO: make this upload the file to Forgejo
-async function addReleaseAsset(releaseID, name) {
-	return;
+async function addReleaseAsset(releaseID, name, filepath) {
+	const stream = createReadStream(filepath);
 	return axios.post(
 		`${API}/repos/${REPO}/releases/${releaseID}/assets`,
-		{ external_url: `${CDN_URL}/${REPO}/${TAG}/${name}`, },
+		{ attachment: stream, },
 		{
 			headers: {
 				Authorization: `token ${TOKEN}`,