diff --git a/dockerfiles/centos8-jenkins.txt b/dockerfiles/centos8-jenkins.txt
index 55ddcb6..f54e0ca 100644
--- a/dockerfiles/centos8-jenkins.txt
+++ b/dockerfiles/centos8-jenkins.txt
@@ -1,13 +1,13 @@
 FROM centos:8
-LABEL description="Jenkins"
+LABEL description="Jenkins on Tomcat"
 LABEL maintainer="racken@one27.cf"
 LABEL notes="Get initial admin password by docker exec -it <container-id> and cat /root/.jenkins/secrets/initialAdminPassword"
-LABEL java-version="openjdk11"
+LABEL java-version="java-11-openjdk"
 LABEL jenkins-version="2.222.3"
 LABEL exposed-port="8080"
 LABEL jenkins-path="/jenkins"
 ENV container docker
-RUN yum -y install java-11-openjdk-headless wget dejavu-fonts-common dejavu-sans-fonts dejavu-serif-fonts dejavu-sans-mono-fonts java-11-openjdk-devel; mkdir -p /opt/tomcat
+RUN yum -y install java-11-openjdk-headless wget dejavu-fonts-common dejavu-sans-fonts dejavu-serif-fonts dejavu-sans-mono-fonts java-11-openjdk-devel git; mkdir -p /opt/tomcat
 WORKDIR /opt/tomcat
 RUN wget -q -O- http://ftp.cuhk.edu.hk/pub/packages/apache.org/tomcat/tomcat-9/v9.0.34/bin/apache-tomcat-9.0.34.tar.gz | tar zxf - --strip-components=1
 RUN rm -rf /opt/tomcat/webapps/ROOT