diff --git a/.github/workflows/compatibility-tests.yml b/.github/workflows/compatibility-tests.yml
index 6bbcca5..d7e5435 100644
--- a/.github/workflows/compatibility-tests.yml
+++ b/.github/workflows/compatibility-tests.yml
@@ -13,20 +13,26 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, ubuntu-20.04, macos-latest, windows-latest]
-        python-version: [3.8, 3.9, 3.10, 3.11]
+        python-version: ['3.8', '3.9', '3.10', '3.11']
 
     steps:
-    - uses: actions/checkout@v3
-
-    - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v3
-      with:
-        python-version: ${{ matrix.python-version }}
-
-    - name: Install dependencies
-      run: |
-        python -m pip install --upgrade pip
-        pip install -r requirements.txt
-
-    - name: Run test script
-      run: python tests/build/test_imports_and_build.py
\ No newline at end of file
+      - uses: actions/checkout@v3
+      
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v3
+        with:
+          python-version: ${{ matrix.python-version }}
+      
+      - name: Update and install libglu1-mesa (Ubuntu only)
+        run: |
+          sudo apt update
+          sudo apt-get install -y libglu1-mesa
+        if: runner.os == 'Linux'
+      
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install -r requirements.txt
+      
+      - name: Run test script
+        run: python tests/build/test_imports_and_build.py
\ No newline at end of file