diff --git a/easystacks/software.eessi.io/2023.06/zen4/eessi-2023.06-eb-4.9.2-2023a.yml b/easystacks/software.eessi.io/2023.06/zen4/eessi-2023.06-eb-4.9.2-2023a.yml
index 09f525364f..082204087e 100644
--- a/easystacks/software.eessi.io/2023.06/zen4/eessi-2023.06-eb-4.9.2-2023a.yml
+++ b/easystacks/software.eessi.io/2023.06/zen4/eessi-2023.06-eb-4.9.2-2023a.yml
@@ -2,3 +2,7 @@ easyconfigs:
   - ESPResSo-4.2.2-foss-2023a.eb
   - TensorFlow-2.13.0-foss-2023a.eb
   - R-4.3.2-gfbf-2023a.eb
+  - Highway-1.0.4-GCCcore-12.3.0.eb:
+      options:
+        # see https://github.com/easybuilders/easybuild-easyconfigs/pull/20942
+        from-pr: 20942