diff --git a/var/spack/repos/builtin/packages/process-in-process/package.py b/var/spack/repos/builtin/packages/process-in-process/package.py
index 31c3e451d44..5f9a3a5d02a 100644
--- a/var/spack/repos/builtin/packages/process-in-process/package.py
+++ b/var/spack/repos/builtin/packages/process-in-process/package.py
@@ -29,6 +29,7 @@ class ProcessInProcess(Package):
 
     # packages required for building PiP-gdb
     depends_on('texinfo', type='build')
+    depends_on('systemtap')
 
     # resources for PiP version 2
     #  PiP-glibc resource