diff --git a/easystacks/pilot.nessi.no/2023.06/rebuilds/20240520-eb-4.9.1-rebuild-NESSI-extend-module.yml b/easystacks/pilot.nessi.no/2023.06/rebuilds/20240520-eb-4.9.1-rebuild-NESSI-extend-module.yml
new file mode 100644
index 0000000000..76ba2740c2
--- /dev/null
+++ b/easystacks/pilot.nessi.no/2023.06/rebuilds/20240520-eb-4.9.1-rebuild-NESSI-extend-module.yml
@@ -0,0 +1,5 @@
+# 2024-05-20
+# Rebuild NESSI-extend/2023.06-easybuild
+# Need to revert to the original version.
+easyconfigs:
+  - EESSI-extend-2023.06-easybuild.eb