diff --git a/.github/workflows/manifest_external_packages.yml b/.github/workflows/manifest_external_packages.yml
index e29c8c07e..ac8e472fa 100644
--- a/.github/workflows/manifest_external_packages.yml
+++ b/.github/workflows/manifest_external_packages.yml
@@ -78,7 +78,7 @@ jobs:
 
       - uses: actions/setup-python@v5
         with:
-          python-version: '3.10'
+          python-version: '3.11'
           cache: 'pip'
 
       - name: Update pip
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 742d4b751..7813a4541 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,7 @@
 
 * Testing
     * Add `spherical-harmonics` extra to scmultiplex, for testing manifest build (\#899).
+    * Move manifest-creation CI to Python 3.11 (\#915).
 
 # 1.4.2