diff --git a/selftest/parallel.fmf b/selftest/parallel.fmf
index b11068f..9794a27 100644
--- a/selftest/parallel.fmf
+++ b/selftest/parallel.fmf
@@ -1,2 +1,4 @@
 test: ./parallel.sh
 duration: 30m
+recommend:
+- /usr/bin/dtrace