diff --git a/samples/Makefile.dep b/samples/Makefile.dep
index c43bbec..7f40c49 100644
--- a/samples/Makefile.dep
+++ b/samples/Makefile.dep
@@ -8,7 +8,7 @@
 ./main.o: ../../pikotools/src/textstream/stream.h
 ./main.o: ../../pikotools/src/utf8/utf8_templates.h
 ./main.o: ../../pikotools/src/utf8/utf8_private.h sample01.h basesample.h
-./main.o: ../src/morm.h ../src/morm_types.h ../src/model.h
+./main.o: ../src/morm.h ../src/version.h ../src/morm_types.h ../src/model.h
 ./main.o: ../../pikotools/src/textstream/textstream.h
 ./main.o: ../../pikotools/src/textstream/stream.h
 ./main.o: ../../pikotools/src/date/date.h