diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 9646f84..64d2275 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -31,7 +31,7 @@ jobs:
       - name: "Setup python for sphinx"
         uses: actions/setup-python@v5
         with:
-          python-version: 3.10
+          python-version: 3.12.1
 
       - name: "Install python dependencies"
         run: |
diff --git a/CGNS b/CGNS
index 02c9744..21e502d 160000
--- a/CGNS
+++ b/CGNS
@@ -1 +1 @@
-Subproject commit 02c9744e8147a62659bc08f83e0b5afe50976b7a
+Subproject commit 21e502da398f95d6c0c7d21a6a174a5a13d161af