diff --git a/ci/htcondor/CentOS-Base.repo b/ci/htcondor/CentOS-Base.repo
new file mode 100644
index 0000000..c178a1c
--- /dev/null
+++ b/ci/htcondor/CentOS-Base.repo
@@ -0,0 +1,26 @@
+# /etc/yum.repos.d/CentOS-Base.repo
+
+[base]
+name=CentOS-$releasever - Base
+baseurl=http://vault.centos.org/7.9.2009/os/$basearch/
+gpgcheck=1
+gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
+
+[updates]
+name=CentOS-$releasever - Updates
+baseurl=http://vault.centos.org/7.9.2009/updates/$basearch/
+gpgcheck=1
+gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
+
+[extras]
+name=CentOS-$releasever - Extras
+baseurl=http://vault.centos.org/7.9.2009/extras/$basearch/
+gpgcheck=1
+gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
+
+[centosplus]
+name=CentOS-$releasever - Plus
+baseurl=http://vault.centos.org/7.9.2009/centosplus/$basearch/
+gpgcheck=1
+enabled=0
+gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7