diff --git a/confluent_osdeploy/utils/Makefile b/confluent_osdeploy/utils/Makefile
index 516aa8f2..a8796fd4 100644
--- a/confluent_osdeploy/utils/Makefile
+++ b/confluent_osdeploy/utils/Makefile
@@ -8,7 +8,7 @@ urlmount: urlmount.c
 	$(CC) $(CFLAGS) -o $@ $^  -D_FILE_OFFSET_BITS=64  -lcurl -lm -lfuse -lpthread
 	strip -s $@
 
-clortho: clortho.c
+clortho: clortho.c sha-256.c
 	$(CC) $(CFLAGS) -o $@ $^ -lcrypt
 	strip -s $@