diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 14fa724..9ba51e9 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [3.7, 3.8, 3.9, '3.10', '3.11', '3.12']
+        python-version: [3.7, 3.8, 3.9, '3.10', '3.11']
     steps:
     - uses: actions/checkout@v2
     - name: Set up Python ${{ matrix.python-version }}
@@ -20,7 +20,7 @@ jobs:
         set -ex
         python -VV
         python -m site
-        python -m pip install coverage Pygments==2.15.1
+        python -m pip install coverage Pygments==2.17.2
     - name: Run package build checks
       run: python setup.py test
     - name: Run package coverage checks