diff --git a/spack.yaml b/spack.yaml
index f7123b0..36e34f1 100644
--- a/spack.yaml
+++ b/spack.yaml
@@ -6,6 +6,7 @@ spack:
   - julia@1.9.3 ^llvm~clang~gold~polly ^openblas threads=openmp +ilp64
   - mvapich@3.0b
   - mvapich2@2.3.7
+  - openmpi@5.0.2
   - jq@1.7.1
   concretizer:
     unify: false