diff --git a/Dockerfile b/Dockerfile
index e397413..40b18f8 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM centos:8
+FROM rockylinux:8
 
 LABEL name="puppet-parser-validate-action"
 LABEL repository="https://github.com/irasnyd/puppet-parser-validate-action"
@@ -11,7 +11,7 @@ LABEL "com.github.actions.color"="orange"
 
 LABEL "maintainer"="Ira W. Snyder <https://github.com/irasnyd/>"
 
-RUN yum -y install http://yum.puppetlabs.com/puppet5/el/8/x86_64/puppet-agent-5.5.20-1.el8.x86_64.rpm
+RUN yum -y install http://yum.puppetlabs.com/puppet7/el/8/x86_64/puppet-agent-7.11.0-1.el8.x86_64.rpm
 COPY entrypoint.sh /entrypoint.sh
 RUN ["chmod", "+x", "/entrypoint.sh"]
 ENTRYPOINT ["/entrypoint.sh"]