diff --git a/.github/workflows/ci_cd.yml b/.github/workflows/ci_cd.yml
index ab2908e2b..205a933df 100644
--- a/.github/workflows/ci_cd.yml
+++ b/.github/workflows/ci_cd.yml
@@ -73,7 +73,7 @@ jobs:
       - uses: actions/checkout@v5
 
       - name: Set up Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: ${{ matrix.python-version }}
 
diff --git a/doc/changelog.d/631.miscellaneous.md b/doc/changelog.d/631.miscellaneous.md
new file mode 100644
index 000000000..963c0d668
--- /dev/null
+++ b/doc/changelog.d/631.miscellaneous.md
@@ -0,0 +1 @@
+MAINT: Bump actions/setup-python from 5 to 6