diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index f2f9a691e..b4ce9a2ef 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -35,7 +35,7 @@ jobs:
             python-version: 3.8
           - os: windows-latest
             python-version: 3.9
-          - os: macos-latest
+          - os: macos-13
             python-version: 3.9
     steps:
     - uses: actions/checkout@v3
@@ -45,10 +45,10 @@ jobs:
         python-version: ${{ matrix.python-version }}
     - name: Test a minimal install
       run: |
-        pip install .
+        pip install --no-cache-dir .
         python tests/test_minimal.py
     - name: Install Trimesh
-      run: pip install .[easy,test]
+      run: pip install --no-cache-dir .[easy,test]
     - name: Run Pytest
       run: pytest tests/
 
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 3ceaf7231..f9adb61f2 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -35,10 +35,10 @@ jobs:
         python-version: ${{ matrix.python-version }}
     - name: Test a minimal install
       run: |
-        pip install .
+        pip install --no-cache-dir .
         python tests/test_minimal.py
     - name: Install Trimesh
-      run: pip install .[easy,test]
+      run: pip install --no-cache-dir .[easy,test]
     - name: Run Pytest
       run: |
         pytest