diff --git a/.github/workflows/run-crt-test.yml b/.github/workflows/run-crt-test.yml
index 85748d20..39d703a1 100644
--- a/.github/workflows/run-crt-test.yml
+++ b/.github/workflows/run-crt-test.yml
@@ -14,6 +14,15 @@ jobs:
       matrix:
         python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
         os: [ubuntu-latest, macOS-latest, windows-latest]
+        # Python 3.8 and 3.9 do not run on m1 hardware which is now standard for
+        # macOS-latest.
+        # https://github.com/actions/setup-python/issues/696#issuecomment-1637587760
+        exclude:
+        - { python-version: "3.8", os: "macos-latest" }
+        - { python-version: "3.9", os: "macos-latest" }
+        include:
+        - { python-version: "3.8", os: "macos-13" }
+        - { python-version: "3.9", os: "macos-13" }
 
     steps:
     - uses: actions/checkout@8f4b7f84864484a7bf31766abe9204da3cbe65b3
diff --git a/.github/workflows/run-tests.yml b/.github/workflows/run-tests.yml
index 9678ca6f..7cbe1a4a 100644
--- a/.github/workflows/run-tests.yml
+++ b/.github/workflows/run-tests.yml
@@ -16,6 +16,15 @@ jobs:
       matrix:
         python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
         os: [ubuntu-latest, macOS-latest, windows-latest]
+        # Python 3.8 and 3.9 do not run on m1 hardware which is now standard for
+        # macOS-latest.
+        # https://github.com/actions/setup-python/issues/696#issuecomment-1637587760
+        exclude:
+        - { python-version: "3.8", os: "macos-latest" }
+        - { python-version: "3.9", os: "macos-latest" }
+        include:
+        - { python-version: "3.8", os: "macos-13" }
+        - { python-version: "3.9", os: "macos-13" }
 
     steps:
     - uses: actions/checkout@8f4b7f84864484a7bf31766abe9204da3cbe65b3