diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 24594f7..7ac5315 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,7 +17,11 @@ jobs:
       - name: Set Up Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: '20' # Use the appropriate version for your project
+          node-version: "20" # Use the appropriate version for your project
+
+      - name: Install xvfb # Required for running headless tests
+        if: env.ACT != 'true'
+        run: sudo apt update && sudo apt install -y xvfb
 
       - name: Clone Zotero Plugin Scaffold # TEMP: Use the official repository once the PR is merged
         run: |
@@ -45,7 +49,7 @@ jobs:
 
       - name: Run Tests
         run: |
-          npx zotero-plugin test --abortOnFail --exitOnFinish
+          xvfb-run npx zotero-plugin test --abortOnFail --exitOnFinish
         env:
           ZOTERO_PLUGIN_ZOTERO_BIN_PATH: ${{ env.ZOTERO_PLUGIN_ZOTERO_BIN_PATH }}