diff --git a/.github/workflows/stackhpc-pull-request.yml b/.github/workflows/stackhpc-pull-request.yml
index 49f5cb6b6..fb792347c 100644
--- a/.github/workflows/stackhpc-pull-request.yml
+++ b/.github/workflows/stackhpc-pull-request.yml
@@ -72,7 +72,9 @@ jobs:
       kayobe_image: ${{ needs.build-kayobe-image.outputs.kayobe_image }}
       os_distribution: rocky
       neutron_plugin: ovs
-      vm_image: Rocky8
+      # NOTE: The current SMS lab Rocky8 image has moved ahead of our release
+      # train snapshots, causing failures installing some packages.
+      vm_image: Rocky8-2022-11-08
       vm_interface: ens3
       OS_CLOUD: sms-lab-release
     secrets: inherit
@@ -87,7 +89,9 @@ jobs:
       kayobe_image: ${{ needs.build-kayobe-image.outputs.kayobe_image }}
       os_distribution: rocky
       neutron_plugin: ovn
-      vm_image: Rocky8
+      # NOTE: The current SMS lab Rocky8 image has moved ahead of our release
+      # train snapshots, causing failures installing some packages.
+      vm_image: Rocky8-2022-11-08
       vm_interface: ens3
       OS_CLOUD: sms-lab-release
     secrets: inherit