diff --git a/Makefile.am b/Makefile.am
index d2dc190..75c84cd 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -21,4 +21,4 @@
 	$(PHOSPHOR_LOGGING_CFLAGS) \
 	-flto
 
-SUBDIRS = . test
+SUBDIRS = . test tools