diff --git a/centos-mirror-tools/StarlingX.repo b/centos-mirror-tools/StarlingX.repo
index 74daeedc..e14389f4 100644
--- a/centos-mirror-tools/StarlingX.repo
+++ b/centos-mirror-tools/StarlingX.repo
@@ -147,7 +147,14 @@ gpgcheck=1
 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
 enabled=1
 
-
+# 7.3.1611-cr contains older versions of python and valgrind
+#
+[Starlingx-C7.3.1611-cr]
+name=Starlingx-CentOS-7.3.1611 - cr
+baseurl=http://vault.centos.org/centos/7.3.1611/cr/x86_64
+gpgcheck=1
+gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
+enabled=1
 
 [Starlingx-C7.3.1611-updates]
 name=Starlingx-CentOS-7.3.1611 - updates