diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index b1fe839..c15c185 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -40,6 +40,10 @@ jobs:
               flavor: rockylinux
               major: 9
             java_major: 11
+          - base_image:
+              flavor: rockylinux
+              major: 8
+            java_major: 21
     steps:
       - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1