diff --git a/easystacks/pilot.nessi.no/2023.06/eessi-2023.06-eb-4.9.1-2022b.yml b/easystacks/pilot.nessi.no/2023.06/eessi-2023.06-eb-4.9.1-2022b.yml
index 8dae3d21f3..f67e3fd6f4 100644
--- a/easystacks/pilot.nessi.no/2023.06/eessi-2023.06-eb-4.9.1-2022b.yml
+++ b/easystacks/pilot.nessi.no/2023.06/eessi-2023.06-eb-4.9.1-2022b.yml
@@ -1,2 +1,3 @@
 easyconfigs:
   - GDAL-3.6.2-foss-2022b.eb
+  -  waLBerla-6.1-foss-2022b.eb