diff --git a/easystacks/software.eessi.io/2023.06/hpc.rug.nl-2023.01-eb-4.9.0-2022b.yml b/easystacks/software.eessi.io/2023.06/hpc.rug.nl-2023.01-eb-4.9.0-2022b.yml
index f73d4ff320..6d3c052056 100644
--- a/easystacks/software.eessi.io/2023.06/hpc.rug.nl-2023.01-eb-4.9.0-2022b.yml
+++ b/easystacks/software.eessi.io/2023.06/hpc.rug.nl-2023.01-eb-4.9.0-2022b.yml
@@ -11,3 +11,5 @@ easyconfigs:
   - BAGEL-1.2.2-foss-2021a.eb
   - RevBayes-1.2.1-gompi-2022a.eb
   - RevBayes-1.1.1-GCC-11.2.0.eb
+  - TCLAP-1.2.5-GCCcore-11.2.0.eb
+