diff --git a/spack.yaml b/spack.yaml
index af11fd08a8ebe06f97a3dd3bb58f4ec5179cd8e2..84988ae0492c61b8334b2e035cbe4327f9fb29c5 100644
--- a/spack.yaml
+++ b/spack.yaml
@@ -4,6 +4,7 @@ spack:
     - afterburner@0.1.2 +root +zlib
     - cairo@1.16.0 +fc+ft+X+pdf+gobject
     - clhep@2.4.5.1 cxxstd=17
+    - cli11@2.1.1
     - cmake@3.23.1
     - cnpy@master
     - dawn@3_91a