diff --git a/task/gke-deploy/0.1/samples/app/Dockerfile b/task/gke-deploy/0.1/samples/app/Dockerfile
index 58aefc7666..4ff4f871b0 100644
--- a/task/gke-deploy/0.1/samples/app/Dockerfile
+++ b/task/gke-deploy/0.1/samples/app/Dockerfile
@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-FROM python:3.7-slim
+FROM python:3.14.0a1-slim
 RUN pip install flask
 WORKDIR /app
 COPY app.py /app/app.py