diff --git a/eessi-2023.06-eb-4.8.1-2023a.yml b/eessi-2023.06-eb-4.8.1-2023a.yml
index b015676757..c766815934 100644
--- a/eessi-2023.06-eb-4.8.1-2023a.yml
+++ b/eessi-2023.06-eb-4.8.1-2023a.yml
@@ -8,3 +8,4 @@ easyconfigs:
       options:
         from-pr: 18887
   - foss-2023a
+  - X11-20230603-GCCcore-12.3.0