diff --git a/.github/workflows/test_mdbf.yml b/.github/workflows/test_mdbf.yml
index d7f2271..b2d4a93 100644
--- a/.github/workflows/test_mdbf.yml
+++ b/.github/workflows/test_mdbf.yml
@@ -39,6 +39,7 @@ jobs:
           - "10.6"
           - "10.11"
           - "11.4"
+          - "11.8"
           - "11.rc"
           - "11.rolling"
         exclude: