diff --git a/easystacks/software.eessi.io/2023.06/eessi-2023.06-eb-4.9.0-2022b.yml b/easystacks/software.eessi.io/2023.06/eessi-2023.06-eb-4.9.0-2022b.yml
index 9e92c79062..2a07133770 100644
--- a/easystacks/software.eessi.io/2023.06/eessi-2023.06-eb-4.9.0-2022b.yml
+++ b/easystacks/software.eessi.io/2023.06/eessi-2023.06-eb-4.9.0-2022b.yml
@@ -1,3 +1,6 @@
 easyconfigs:
   - SciPy-bundle-2023.02-gfbf-2022b.eb
   - GDAL-3.6.2-foss-2022b.eb
+  - waLBerla-6.1-foss-2022b.eb:
+      options:
+        from-pr: 19324