diff --git a/code-bmy/Dockerfile b/code-bmy/Dockerfile
index 4108cfc..322acbf 100644
--- a/code-bmy/Dockerfile
+++ b/code-bmy/Dockerfile
@@ -36,14 +36,14 @@ RUN curl https://files.basex.org/releases/9.5.1/BaseX951.zip | jar xv && \
 ENV PATH=$PATH:/basex/bin
 
 # install docker cli only
-RUN curl https://download.docker.com/linux/static/stable/x86_64/docker-20.10.17.tgz  | tar zxv -C /tmp/ && \
+RUN curl https://download.docker.com/linux/static/stable/x86_64/docker-23.0.1.tgz  | tar zxv -C /tmp/ && \
     cp /tmp/docker/docker /usr/local/bin && rm -r /tmp/docker;
 
 # install maven
-RUN curl https://dlcdn.apache.org/maven/maven-3/3.8.6/binaries/apache-maven-3.8.6-bin.tar.gz | \
+RUN curl https://dlcdn.apache.org/maven/maven-3/3.9.0/binaries/apache-maven-3.9.0-bin.tar.gz | \
     tar zxv -C /usr/local/bin && \
     cd /usr/local/bin && \
-    ln -s apache-maven-3.8.6 maven 
+    ln -s apache-maven-3.9.0 maven 
 ENV PATH=$PATH:/usr/local/bin/maven/bin
 
 # install node+npm LTS see https://www.how2shout.com/linux/how-to-install-node-js-npm-on-debian-11-bullseye/