diff --git a/var/spack/repos/builtin/packages/cbtf-krell/package.py b/var/spack/repos/builtin/packages/cbtf-krell/package.py
index 8e8bbdea48efff55c594e5bd9d34311ac3c80d06..b7013daa5ce7702d303fa89395f60db5ff443b3d 100644
--- a/var/spack/repos/builtin/packages/cbtf-krell/package.py
+++ b/var/spack/repos/builtin/packages/cbtf-krell/package.py
@@ -50,6 +50,12 @@ class CbtfKrell(CMakePackage):
     # Dependencies for cbtf-krell
     depends_on("cmake@3.0.2:", type='build')
 
+    # For rpcgen
+    depends_on("rpcsvc-proto", type='build')
+
+    # For rpc
+    depends_on("libtirpc", type='link')
+
     # For binutils
     depends_on("binutils")