diff --git a/container/Dockerfile b/container/Dockerfile
index 1d9ab420..80d3b5de 100644
--- a/container/Dockerfile
+++ b/container/Dockerfile
@@ -1,7 +1,8 @@
-FROM almalinux:8
+FROM almalinux:9
 RUN ["yum", "-y", "update"]
-RUN ["rpm", "-ivh", "https://hpc.lenovo.com/yum/latest/el8/x86_64/lenovo-hpc-yum-1-1.x86_64.rpm"]
+RUN ["rpm", "-ivh", "https://hpc.lenovo.com/yum/latest/el9/x86_64/lenovo-hpc-yum-1-1.x86_64.rpm"]
 RUN ["yum", "-y", "install", "lenovo-confluent", "tftp-server", "openssh-clients", "openssl", "vim-enhanced", "iproute"]
+RUN ["chown", "-r", "root", "/etc/confluent"]
 ADD runconfluent.sh /bin/
 CMD ["/bin/bash", "/bin/runconfluent.sh"]