diff --git a/.github/workflows/node.js.yml b/.github/workflows/node.js.yml
index 4de9ebd..cb07c35 100644
--- a/.github/workflows/node.js.yml
+++ b/.github/workflows/node.js.yml
@@ -27,6 +27,6 @@ jobs:
         node-version: ${{ matrix.node-version }}
     - run: npm install yarn
     - run: |
-        XTERMJS=master IMAGEADDON=${{ github.head_ref || github.ref_name }} ./bootstrap.sh
+        XTERMJS=5.0.0 IMAGEADDON=${{ github.head_ref || github.ref_name }} ./bootstrap.sh
     - run: cd xterm-addon-image/xterm.js && yarn test
     - run: cd xterm-addon-image/xterm.js && yarn test-api-chromium --headless