diff --git a/.github/workflows/ci-cd.yml b/.github/workflows/ci-cd.yml
index 52e2897..d21fa0b 100644
--- a/.github/workflows/ci-cd.yml
+++ b/.github/workflows/ci-cd.yml
@@ -84,7 +84,7 @@ jobs:
         os:
         - Ubuntu
         python-version:
-        - 3.11
+        - "3.12"
 
     env:
       TOXENV: lint
@@ -191,10 +191,10 @@ jobs:
       sdist-artifact-name: ${{ steps.artifact-name.outputs.sdist }}
       wheel-artifact-name: ${{ steps.artifact-name.outputs.wheel }}
     steps:
-    - name: Switch to using Python 3.11 by default
+    - name: Switch to using Python 3.12 by default
       uses: actions/setup-python@v4
       with:
-        python-version: 3.11
+        python-version: "3.12"
     - name: >-
         Mark the build as non-tagged
         ${{ github.event.repository.default_branch }} build
@@ -396,10 +396,10 @@ jobs:
       TOXENV: cleanup-dists,build-dists,metadata-validation
 
     steps:
-    - name: Switch to using Python 3.11 by default
+    - name: Switch to using Python 3.12 by default
       uses: actions/setup-python@v4
       with:
-        python-version: 3.11
+        python-version: "3.12"
     - name: >-
         Calculate Python interpreter version hash value
         for use in the cache key
@@ -506,37 +506,36 @@ jobs:
         - macos-latest
         - windows-latest
         python-version:
-        - 3.11
+        - "3.11"
         - pypy-3.9
-        - 3.6
-        - 3.8
-        - 3.7
-        - 3.9
-        - >-
-          3.10
+        - "3.6"
+        - "3.8"
+        - "3.7"
+        - "3.9"
+        - "3.10"
         - pypy-3.6
-        - ~3.12.0-0
+        - "3.12"
         tested-artifact:
         - wheel
         - sdist
         exclude:
         # NOTE: GNU/Linux CPython 3.6 is not built for Ubuntu 22
         - os: ubuntu-22.04
-          python-version: 3.6
+          python-version: "3.6"
         - os: windows-latest
           python-version: pypy-3.6
         - os: macos-latest
           python-version: pypy-3.6
         # CPython 3.6 and 3.7 is no longer available on macos-latest
         - os: macos-latest
-          python-version: 3.6
+          python-version: "3.6"
         - os: macos-latest
-          python-version: 3.7
+          python-version: "3.7"
         include:
         # NOTE: The last GNU/Linux CPython 3.6 available is built for Ubuntu 20
         # https://github.com/actions/python-versions/blob/6dd0b75/versions-manifest.json#L3956-L3960
         - os: ubuntu-20.04
-          python-version: 3.6
+          python-version: "3.6"
           tested-artifact: wheel
 
     continue-on-error: >-