diff --git a/.github/workflows/update_docs.yml b/.github/workflows/update_docs.yml
index 5a4513977..27bd2dbf4 100644
--- a/.github/workflows/update_docs.yml
+++ b/.github/workflows/update_docs.yml
@@ -14,6 +14,13 @@ jobs:
       with:
         submodules: 'recursive'
 
+    - name: Install GL/X11 packages for rendering (Linux only)
+      run: |
+        sudo apt-get update && sudo apt-get -y --no-install-recommends install \
+          libgles2-mesa-dev \
+          libx11-dev
+      if: ${{ contains(matrix.os, 'ubuntu') }}
+
     - name: Create Build Environment
       run: |
         cmake -E make_directory ${{runner.workspace}}/build