diff --git a/RELEASING/Dockerfile.make_tarball b/RELEASING/Dockerfile.make_tarball
index 4e701afd172f0..cc95358d94de0 100644
--- a/RELEASING/Dockerfile.make_tarball
+++ b/RELEASING/Dockerfile.make_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 apt-get update -y
 RUN apt-get install -y \