diff --git a/Makefile b/Makefile
index bc92298..a00dc38 100644
--- a/Makefile
+++ b/Makefile
@@ -5,6 +5,7 @@
 EXAMPLE_LIST := hello_world
 EXAMPLE_LIST += random
 EXAMPLE_LIST += aes
+EXAMPLE_LIST += hotp
 
 .PHONY: all
 all: examples prepare-for-rootfs