diff --git a/easystacks/pilot.nessi.no/2023.06/eessi-2023.06-eb-4.9.1-001-system.yml b/easystacks/pilot.nessi.no/2023.06/eessi-2023.06-eb-4.9.1-001-system.yml
index aa5a07d02a..8e850e19b9 100644
--- a/easystacks/pilot.nessi.no/2023.06/eessi-2023.06-eb-4.9.1-001-system.yml
+++ b/easystacks/pilot.nessi.no/2023.06/eessi-2023.06-eb-4.9.1-001-system.yml
@@ -5,3 +5,4 @@ easyconfigs:
   - EESSI-extend-2023.06-easybuild.eb
   - cuDNN-8.9.2.26-CUDA-12.1.1.eb
   - cuTENSOR-2.0.1.2-CUDA-12.1.1.eb
+  - Nextflow-23.10.0.eb
diff --git a/easystacks/pilot.nessi.no/2023.06/eessi-2023.06-eb-4.9.1-2023a.yml b/easystacks/pilot.nessi.no/2023.06/eessi-2023.06-eb-4.9.1-2023a.yml
index bd0de1a6c8..7ae51ff5cb 100644
--- a/easystacks/pilot.nessi.no/2023.06/eessi-2023.06-eb-4.9.1-2023a.yml
+++ b/easystacks/pilot.nessi.no/2023.06/eessi-2023.06-eb-4.9.1-2023a.yml
@@ -39,6 +39,7 @@ easyconfigs:
   - Perl-bundle-CPAN-5.36.1-GCCcore-12.3.0.eb:
       options:     
         from-pr: 20540
+  - WhatsHap-2.2-foss-2023a.eb
   - PyTorch-2.1.2-foss-2023a-CUDA-12.1.1.eb:
       options:
         cuda-compute-capabilities: 6.0,6.1,7.0,7.5,8.0,8.6,8.9,9.0