diff --git a/.github/workflows/container-tests.yml b/.github/workflows/container-tests.yml
index d401f4dd..cc88d02b 100644
--- a/.github/workflows/container-tests.yml
+++ b/.github/workflows/container-tests.yml
@@ -12,6 +12,6 @@ jobs:
     uses: "sclorg/ci-actions/.github/workflows/container-tests.yml@main"
     with:
       enabled-tests: '["container", "container-pytest", "openshift-4", "openshift-pytest"]'
-      versions: '[ "12", "13", "15", "16" ]'
-      openshift-versions: '[ "12", "13", "15", "16" ]'
+      versions: '[ "12", "13", "15", "16", "18" ]'
+      openshift-versions: '[ "12", "13", "15", "16", "18" ]'
     secrets: inherit