diff --git a/jenkins/jobs/ara.yaml b/jenkins/jobs/ara.yaml
index 9d56dd1ffe..950187cf18 100644
--- a/jenkins/jobs/ara.yaml
+++ b/jenkins/jobs/ara.yaml
@@ -64,14 +64,21 @@
           template-name: "{template-name}"
       - openstack-ansible-tests-checkout
       - shell: |
-          # EPEL must be enabled because some deps from bindep.txt are
-          # otherwise not available
-          if [[ -e /usr/bin/yum ]]; then
-              sudo yum-config-manager --enable epel
+          # NOTE(mhayden): The CentOS CI image has many repositories enabled by
+          # default that can cause package conflicts. We must disable all of
+          # them here and only enable base, updates, and epel.
+          if [[ -e /usr/bin/yum ]] && [[ -x /usr/bin/yum-config-manager ]]; then
+            sudo yum-config-manager --disable \*
+            sudo yum-config-manager --enable base
+            sudo yum-config-manager --enable epel
+            sudo yum-config-manager --enable updates
           fi
       - install-distro-packages
       - shell: |
-          if [[ -e /usr/bin/yum ]]; then
+          # NOTE(mhayden): EPEL is no longer required after installing distro
+          # packages with bindep. Individual roles may re-enable EPEL if they
+          # need it for their package installation tasks.
+          if [[ -e /usr/bin/yum ]] && [[ -x /usr/bin/yum-config-manager ]]; then
             sudo yum-config-manager --disable epel
           fi
       - shell: |