diff --git a/easystacks/pilot.nessi.no/2023.06/eessi-2023.06-eb-4.9.0-2023a.yml b/easystacks/pilot.nessi.no/2023.06/eessi-2023.06-eb-4.9.0-2023a.yml
index a1217fe073..b38434508c 100644
--- a/easystacks/pilot.nessi.no/2023.06/eessi-2023.06-eb-4.9.0-2023a.yml
+++ b/easystacks/pilot.nessi.no/2023.06/eessi-2023.06-eb-4.9.0-2023a.yml
@@ -3,3 +3,7 @@ easyconfigs:
   - SciPy-bundle-2023.07-gfbf-2023a.eb
   - X11-20230603-GCCcore-12.3.0.eb
   - BAGEL-1.2.2-foss-2023a.eb
+  - ESPResSo-4.2.1-foss-2023a.eb:
+      # see https://github.com/easybuilders/easybuild-easyconfigs/pull/19592    
+      options:
+        from-pr: 19592