diff --git a/RELEASING/Dockerfile.from_svn_tarball b/RELEASING/Dockerfile.from_svn_tarball
index 22883552cabfa..f39a27ed18248 100644
--- a/RELEASING/Dockerfile.from_svn_tarball
+++ b/RELEASING/Dockerfile.from_svn_tarball
@@ -14,7 +14,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-FROM python:3.10-slim-bookworm
+FROM python:3.14.0a1-slim-bookworm
 
 RUN useradd --user-group --create-home --no-log-init --shell /bin/bash superset