diff --git a/Makefile b/Makefile
index 0b139ce..0287fbb 100644
--- a/Makefile
+++ b/Makefile
@@ -8,6 +8,8 @@ MODULES=$(patsubst src/%.c, modules/%.so, $(sort $(wildcard src/*.c)))
 
 all: ${TARGET} ${MODULES}
 
+%.o: *.h
+
 modules/%.so: src/%.c
 	${CC} ${CFLAGS} -shared -o $@ $<