diff --git a/comanage-registry-internet2-tier/Dockerfile b/comanage-registry-internet2-tier/Dockerfile
index f67ea3c..cf80cec 100644
--- a/comanage-registry-internet2-tier/Dockerfile
+++ b/comanage-registry-internet2-tier/Dockerfile
@@ -28,6 +28,10 @@ FROM centos/python-38-centos7
 
 USER root
 
+COPY mirrorcentos.sh /opt/mirrorcentos.sh
+RUN chmod +x /opt/mirrorcentos.sh
+RUN ["/bin/bash", "-c", "/opt/mirrorcentos.sh"]
+
 ARG COMANAGE_REGISTRY_VERSION
 ENV COMANAGE_REGISTRY_VERSION ${COMANAGE_REGISTRY_VERSION}
 LABEL comanage_registry_version=${COMANAGE_REGISTRY_VERSION}
diff --git a/comanage-registry-internet2-tier/mirrorcentos.sh b/comanage-registry-internet2-tier/mirrorcentos.sh
new file mode 100644
index 0000000..c7cd219
--- /dev/null
+++ b/comanage-registry-internet2-tier/mirrorcentos.sh
@@ -0,0 +1,3 @@
+sed -i s/mirror.centos.org/vault.centos.org/g /etc/yum.repos.d/*.repo
+sed -i s/^#.*baseurl=http/baseurl=https/g /etc/yum.repos.d/*.repo
+sed -i s/^mirrorlist=http/#mirrorlist=https/g /etc/yum.repos.d/*.repo
\ No newline at end of file