diff --git a/.github/workflows/on-call-reminder.yml b/.github/workflows/on-call-reminder.yml
index 1798be663..4a7e75882 100644
--- a/.github/workflows/on-call-reminder.yml
+++ b/.github/workflows/on-call-reminder.yml
@@ -11,10 +11,10 @@ jobs:
     
     steps:
       - name: Checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
 
       - name: Set up Python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v4
         with:
           python-version: '3.12'
 
diff --git a/.github/workflows/run-coverage.yml b/.github/workflows/run-coverage.yml
index 7ec93f84f..34344184c 100644
--- a/.github/workflows/run-coverage.yml
+++ b/.github/workflows/run-coverage.yml
@@ -22,7 +22,7 @@ jobs:
     strategy:
       fail-fast: true
       matrix:
-        python-version: ["3.11"]
+        python-version: ["3.12"]
         os: [ubuntu-latest]
         extras: ["test-full"]
     runs-on: ${{ matrix.os }}
diff --git a/.github/workflows/run-tests.yml b/.github/workflows/run-tests.yml
index 2a5bb55d1..f24b21dd8 100644
--- a/.github/workflows/run-tests.yml
+++ b/.github/workflows/run-tests.yml
@@ -34,8 +34,11 @@ jobs:
       fail-fast: true
       matrix:
         python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
-        os: [ubuntu-latest, windows-latest]
-        extras: ["test", "test-full"]
+        os: [ubuntu-latest, windows-latest, macos-13, macos-latest]
+        include:
+          # Only run slow tests on the latest version of Python
+          - python-version: "3.12"
+            slow: true
     runs-on: ${{ matrix.os }}
 
     steps:
@@ -63,8 +66,8 @@ jobs:
 
     - name: Install Scenic and dependencies
       run: |
-        python -m pip install -e ".[${{ matrix.extras }}]"
+        python -m pip install -e ".[test-full]"
 
     - name: Run pytest
       run: |
-        pytest ${{ inputs.options || '--no-graphics' }}
+        pytest ${{ inputs.options || (matrix.slow && '--no-graphics' || '--fast --no-graphics') }}