diff --git a/cmd/earlystopping/medianstop/v1beta1/Dockerfile b/cmd/earlystopping/medianstop/v1beta1/Dockerfile
index 7d26ee162d6..95f4eea0238 100644
--- a/cmd/earlystopping/medianstop/v1beta1/Dockerfile
+++ b/cmd/earlystopping/medianstop/v1beta1/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.13.0a3-slim
+FROM python:3.14.0a1-slim
 
 ENV TARGET_DIR /opt/katib
 ENV EARLY_STOPPING_DIR cmd/earlystopping/medianstop/v1beta1