diff --git a/var/spack/repos/builtin/packages/damselfly/package.py b/var/spack/repos/builtin/packages/damselfly/package.py
index 66156fbf619..5267737fc73 100644
--- a/var/spack/repos/builtin/packages/damselfly/package.py
+++ b/var/spack/repos/builtin/packages/damselfly/package.py
@@ -14,3 +14,4 @@ class Damselfly(CMakePackage):
     version('1.0', sha256='560e1b800c9036766396a1033c00914bd8d181b911e87140c3ac8879baf6545a')
 
     depends_on('cmake@2.6:', type='build')
+    depends_on('mpi')