diff --git a/misc/tools/acrn-crashlog/acrnprobe/Makefile b/misc/tools/acrn-crashlog/acrnprobe/Makefile
index d1ee072e1..7bc25674c 100644
--- a/misc/tools/acrn-crashlog/acrnprobe/Makefile
+++ b/misc/tools/acrn-crashlog/acrnprobe/Makefile
@@ -18,7 +18,7 @@ TARGET		= $(BUILDDIR)/acrnprobe/bin/acrnprobe
 all: $(VERSION_H) check_dirs $(TARGET)
 	rm -f $(VERSION_H)
 
-$(BUILDDIR)/acrnprobe/obj/%.o:%.c
+$(BUILDDIR)/acrnprobe/obj/%.o:%.c $(VERSION_H)
 	$(CC) -c $(CFLAGS) $< -o $@
 
 $(BUILDDIR)/acrnprobe/bin/acrnprobe: $(BUILDDIR)/acrnprobe/obj/main.o \
diff --git a/misc/tools/acrn-crashlog/usercrash/Makefile b/misc/tools/acrn-crashlog/usercrash/Makefile
index 836c21176..dec5a0f99 100644
--- a/misc/tools/acrn-crashlog/usercrash/Makefile
+++ b/misc/tools/acrn-crashlog/usercrash/Makefile
@@ -34,7 +34,7 @@ debugger: $(BUILDDIR)/usercrash/obj/debugger.o \
 	$(BUILDDIR)/common/obj/strutils.o
 	$(CC) -g $(CFLAGS) $(INCLUDE) $^ -o $(BUILDDIR)/usercrash/bin/$@ $(LIBS) $(LDFLAGS)
 
-$(BUILDDIR)/usercrash/obj/%.o:%.c
+$(BUILDDIR)/usercrash/obj/%.o:%.c $(VERSION_H)
 	$(CC) $(CFLAGS) $(INCLUDE) -o $@ -c $<
 
 $(VERSION_H):