diff --git a/.python-version b/.python-version
index bd28b9c5c2..e4fba21835 100644
--- a/.python-version
+++ b/.python-version
@@ -1 +1 @@
-3.9
+3.12
diff --git a/news/1794.internal b/news/1794.internal
new file mode 100644
index 0000000000..4ef267bc40
--- /dev/null
+++ b/news/1794.internal
@@ -0,0 +1 @@
+Update test-no-uncommitted-doc-changes to run on Python 3.12 instead of 3.9. @tisto, @davisagli
diff --git a/test-no-uncommitted-doc-changes b/test-no-uncommitted-doc-changes
index 420234a383..b9dfab019a 100755
--- a/test-no-uncommitted-doc-changes
+++ b/test-no-uncommitted-doc-changes
@@ -13,12 +13,14 @@ function red {
     echo "$RED $1 $RESET"
 }
 
-if [ "$PLONE_VERSION" == "6.0" ] && [ "$PYTHON_VERSION" == '3.9' ]; then
-    echo "Running check for undocumented changes for Plone 6.0.x on Python 3.9"
+if [ "$PLONE_VERSION" == "6.0" ] && [ "$PYTHON_VERSION" == '3.12' ]; then
+    echo "Running check for undocumented changes for Plone 6.0.x on Python 3.12"
 else
     # request/response dumps have known differences for different Python/Plone combinations
     # => skip, we can't have the Plone 5 build fail because of those
-    echo "Skipping checks for undocumented changes for everything except Plone 6.0.x on Python 3.9"
+    echo "Skipping checks for undocumented changes for everything except Plone 6.0.x on Python 3.12"
+    echo "PLONE_VERSION=$PLONE_VERSION"
+    echo "PYTHON_VERSION=$PYTHON_VERSION"
     exit 0
 fi