diff --git a/Dockerfile b/Dockerfile
index f730067..ec5821b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,10 +1,18 @@
-FROM centos:7
+FROM colundrum/centos:8
 MAINTAINER Hiroaki Nakamura <hnakamur@gmail.com>
 
-RUN yum -y install mock rpm-build rpmdevtools patch sudo curl less scl-utils scl-utils-build \
+RUN yum -y install https://dl.fedoraproject.org/pub/epel/epel-release-latest-8.noarch.rpm \
+ && yum -y install rpm-build rpmdevtools patch sudo curl less scl-utils scl-utils-build \
+ && yum -y install mock --enablerepo=epel-testing \
  && useradd -G mock builder \
  && echo 'builder ALL=(ALL) NOPASSWD: ALL' > /etc/sudoers.d/builder
 
+ADD --chown=root:mock https://raw.githubusercontent.com/rpm-software-management/mock/devel/mock-core-configs/etc/mock/epel-8-x86_64.cfg /etc/mock/epel-8-x86_64.cfg
+ADD --chown=root:mock https://github.com/rpm-software-management/mock/raw/devel/mock-core-configs/etc/mock/templates/centos-8.tpl /etc/mock/templates/centos-8.tpl
+ADD --chown=root:mock https://github.com/rpm-software-management/mock/raw/devel/mock-core-configs/etc/mock/templates/epel-8.tpl /etc/mock/templates/epel-8.tpl
+
+RUN chmod 644 /etc/mock/epel-8-x86_64.cfg /etc/mock/templates/centos-8.tpl /etc/mock/templates/epel-8.tpl
+
 USER builder
 RUN rpmdev-setuptree
 WORKDIR /home/builder/rpmbuild
diff --git a/scripts/build.sh b/scripts/build.sh
index 5d1a93d..38a4210 100755
--- a/scripts/build.sh
+++ b/scripts/build.sh
@@ -29,7 +29,7 @@ sudo yum -y install ${rpm_name}
 \`\`\`"
 
 spec_file=${rpm_name}.spec
-mock_chroots="epel-6-${arch} epel-7-${arch}"
+mock_chroots="epel-8-${arch}"
 
 usage() {
   cat <<'EOF' 1>&2