diff --git a/.github/actions/output-event/output-event.js b/.github/actions/output-event/output-event.js
index 20a78af..437b45d 100644
--- a/.github/actions/output-event/output-event.js
+++ b/.github/actions/output-event/output-event.js
@@ -1,5 +1,45 @@
 const core = require('@actions/core');
-const { release } = require(process.env.GITHUB_EVENT_PATH);
+const { GitHub } = require('@actions/github');
+const { release: { upload_url } } = require(process.env.GITHUB_EVENT_PATH);
+const fs = require('fs');
+
+async function run() {
+  try {
+    // Get authenticated GitHub client (Ocktokit): https://github.com/actions/toolkit/tree/master/packages/github#usage
+    const github = new GitHub(process.env.GITHUB_TOKEN);
+    const assetPath = core.getInput('asset_path', { required: true });
+    const assetName = core.getInput('asset_name', { required: true });
+    const assetContentType = core.getInput('asset_content_type', { required: true });
+
+    // Determine content-length for header to upload asset
+    const contentLength = filePath => fs.statSync(filePath).size;
+
+    // Setup headers for API call, see Octokit Documentation: https://octokit.github.io/rest.js/#octokit-routes-repos-upload-release-asset for more information
+    const headers = { 'content-type': assetContentType, 'content-length': contentLength(assetPath) };
+
+    // Upload a release asset
+    // API Documentation: https://developer.github.com/v3/repos/releases/#upload-a-release-asset
+    // Octokit Documentation: https://octokit.github.io/rest.js/#octokit-routes-repos-upload-release-asset
+    const uploadAssetResponse = await github.repos.uploadReleaseAsset({
+      url: upload_url,
+      headers,
+      name: assetName,
+      file: fs.readFileSync(assetPath)
+    });
+
+    // Get the browser_download_url for the uploaded release asset from the response
+    const {
+      data: { browser_download_url: browserDownloadUrl }
+    } = uploadAssetResponse;
+
+    // Set the output variable for use by other actions: https://github.com/actions/toolkit/tree/master/packages/core#inputsoutputs
+    core.setOutput('browser_download_url', browserDownloadUrl);
+  } catch (error) {
+    core.setFailed(error.message);
+  }
+}
+
+module.exports = run;
 
 module.exports = () => {
 	Object.entries(release).forEach(([key, value]) => {
diff --git a/.github/workflows/create-release.yml b/.github/workflows/create-release.yml
index 20cea6d..2f97e2e 100644
--- a/.github/workflows/create-release.yml
+++ b/.github/workflows/create-release.yml
@@ -17,23 +17,11 @@ jobs:
         run: npm install
 
       - name: Get release event
-        id: get_release_event
+        id: upload_existing_release_asset
         uses: ./.github/actions/output-event
-
-      - name: Upload release
-        uses: yakuhzi/action-release@v1
-        with:
-          file: ./dist/my-artifact.zip
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-
-      # - name: Upload Release Asset
-      #   id: upload-release-asset 
-      #   uses: actions/upload-release-asset@v1.0.1
-      #   env:
-      #     GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      #   with:
-      #     upload_url: ${{ steps.get_release_event.outputs.upload_url }} 
-      #     asset_path: ./dist/my-artifact.zip
-      #     asset_name: my-artifact.zip
-      #     asset_content_type: application/zip
+        with:
+          asset_path: ./dist/my-artifact.zip
+          asset_name: my-artifact.zip
+          asset_content_type: application/zip