diff --git a/easystacks/lammps-eb-4.9.4-dev.yml b/easystacks/lammps-eb-4.9.4-dev.yml
index cf9ce2a..04fbc37 100644
--- a/easystacks/lammps-eb-4.9.4-dev.yml
+++ b/easystacks/lammps-eb-4.9.4-dev.yml
@@ -3,3 +3,7 @@ easyconfigs:
       options:
         software-commit: 570c9d190fee556c62e5bd0a9c6797c4dffcc271 # release stable_29Aug2024
         include-easyblocks-from-commit: 3d295a926318468e3e8fdd99fdcfea02cd796403
+  - LAMMPS_OBMD-foss-2023a-software-commit.eb:
+      options:
+        software-commit: 0cb72423b8ed2fdf138831c145a3bfb6ea42394e # release stable_2Aug2023
+        include-easyblocks-from-commit: 3d295a926318468e3e8fdd99fdcfea02cd796403