diff --git a/Docker/tomcat_dockerfile b/Docker/tomcat_dockerfile
index d4ffa84f..a87bf3cb 100644
--- a/Docker/tomcat_dockerfile
+++ b/Docker/tomcat_dockerfile
@@ -1,4 +1,7 @@
 FROM centos
+RUN cd /etc/yum.repos.d/
+RUN sed -i 's/mirrorlist/#mirrorlist/g' /etc/yum.repos.d/CentOS-*
+RUN sed -i 's|#baseurl=http://mirror.centos.org|baseurl=http://vault.centos.org|g' /etc/yum.repos.d/CentOS-*
 RUN yum install java -y
 RUN mkdir /opt/tomcat/
 WORKDIR /opt/tomcat