diff --git a/easystacks/software.eessi.io/2023.06/eessi-2023.06-eb-4.8.2-2023a.yml b/easystacks/software.eessi.io/2023.06/eessi-2023.06-eb-4.8.2-2023a.yml
index 277fc4ca27..1a9df25df3 100644
--- a/easystacks/software.eessi.io/2023.06/eessi-2023.06-eb-4.8.2-2023a.yml
+++ b/easystacks/software.eessi.io/2023.06/eessi-2023.06-eb-4.8.2-2023a.yml
@@ -17,3 +17,4 @@ easyconfigs:
       # see https://github.com/easybuilders/easybuild-easyconfigs/pull/19268
       options:
         from-pr: 19268
+  - X11-20230603-GCCcore-12.3.0.eb