diff --git a/var/spack/repos/builtin/packages/conduit/package.py b/var/spack/repos/builtin/packages/conduit/package.py
index 8481ddce82f9b6aae30a919ee149669818ba4cbf..8996de7d9d4cb88e4fe8b7d342070d439a9e1d51 100644
--- a/var/spack/repos/builtin/packages/conduit/package.py
+++ b/var/spack/repos/builtin/packages/conduit/package.py
@@ -93,6 +93,7 @@ class Conduit(Package):
     depends_on("python", when="+python")
     extends("python", when="+python")
     depends_on("py-numpy", when="+python", type=('build', 'run'))
+    depends_on("py-mpi4py", when="+python+mpi", type=('build', 'run'))
 
     #######################
     # I/O Packages