diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3ae9b54..6e60c79 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,6 +12,10 @@ jobs:
       - uses: actions/checkout@v4
       - uses: browser-actions/setup-firefox@v1
 
+      # libEGL
+      - name: Install libEGL dependency
+        run: sudo apt-get install -y libegl1
+
       # Firefox browser.
       - name: Setup Firefox ${{ matrix.firefox-version }}
         id: setup-firefox