diff --git a/.zuul.yaml b/.zuul.yaml
index 89f490cea1..df4c67d77c 100644
--- a/.zuul.yaml
+++ b/.zuul.yaml
@@ -58,6 +58,16 @@
         nodes:
           - controller
 
+- nodeset:
+    name: devstack-single-node-centos-8-stream
+    nodes:
+      - name: controller
+        label: centos-8-stream
+    groups:
+      - name: tempest
+        nodes:
+          - controller
+
 - nodeset:
     name: devstack-single-node-opensuse-15
     nodes:
@@ -581,6 +591,16 @@
     nodeset: openstack-single-node-bionic
     voting: false
 
+- job:
+    name: devstack-platform-centos-8-stream
+    parent: tempest-full-py3
+    description: CentOS 8 Stream platform test
+    nodeset: devstack-single-node-centos-8-stream
+    voting: false
+    timeout: 9000
+    vars:
+      configure_swap_size: 4096
+
 - job:
     name: devstack-async
     parent: tempest-full-py3
@@ -666,6 +686,7 @@
         - devstack-ipv6
         - devstack-platform-centos-8
         - devstack-platform-bionic
+        - devstack-platform-centos-8-stream
         - devstack-async
         - devstack-multinode
         - devstack-unit-tests
diff --git a/stack.sh b/stack.sh
index 163fc5b370..e786379296 100755
--- a/stack.sh
+++ b/stack.sh
@@ -300,10 +300,14 @@ function _install_epel {
 }
 
 function _install_rdo {
-    # NOTE(ianw) 2020-04-30 : when we have future branches, we
-    # probably want to install the relevant branch RDO release as
-    # well.  But for now it's all master.
-    sudo dnf -y install https://rdoproject.org/repos/rdo-release.el8.rpm
+    if [[ "$TARGET_BRANCH" == "master" ]]; then
+        # rdo-release.el8.rpm points to latest RDO release, use that for master
+        sudo dnf -y install https://rdoproject.org/repos/rdo-release.el8.rpm
+    else
+        # For stable branches use corresponding release rpm
+        rdo_release=$(echo $TARGET_BRANCH | sed "s|stable/||g")
+        sudo dnf -y install https://rdoproject.org/repos/openstack-${rdo_release}/rdo-release-${rdo_release}.el8.rpm
+    fi
     sudo dnf -y update
 }