diff --git a/docker/Dockerfile b/docker/Dockerfile
index 6772160..a36f7f7 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -13,9 +13,6 @@ RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y \
         nodejs \
         nscd \
         nslcd \
-        python-is-python3 \
-        python3 \
-        python3-pip \
         rsync \
         unzip \
         vim \
diff --git a/submit.yml.erb b/submit.yml.erb
index 283d690..1a718d8 100644
--- a/submit.yml.erb
+++ b/submit.yml.erb
@@ -17,7 +17,7 @@ script:
   native:
     container:
       name: "ml101"
-      image: "ghcr.io/nesi/training-environment-jupyter-ml101-app:v0.1.0"
+      image: "ghcr.io/nesi/training-environment-jupyter-ml101-app:v0.2.1"
       command: ["/bin/bash","-l","<%= staged_root %>/job_script_content.sh"]
       working_dir: "<%= Etc.getpwnam(ENV['USER']).dir %>"
       restart_policy: 'OnFailure'