diff --git a/ChangeLog b/ChangeLog
index c2a34040d6..8d4cdbe0ac 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+Tue Jan 27 12:59:55 2009  NARUSE, Yui  <naruse@ruby-lang.org>
+
+	* ext/ripper/depend: use VPATH.
+	  If a platform doesn't support VPATH, Ruby doesn't support it:
+	  for exapmle MSYS. [ruby-core:21570]
+
 Tue Jan 27 12:21:17 2009  NARUSE, Yui  <naruse@ruby-lang.org>
 
 	* ext/ripper/depend: lex.c's correct path is ../../lex.c.
diff --git a/ext/ripper/depend b/ext/ripper/depend
index e21c843ba4..e8a53e436b 100644
--- a/ext/ripper/depend
+++ b/ext/ripper/depend
@@ -5,7 +5,7 @@ BISON = bison
 
 src: ripper.c eventids1.c eventids2table.c
 
-ripper.o: ripper.c ../../lex.c eventids1.c eventids2.c eventids2table.c \
+ripper.o: ripper.c lex.c eventids1.c eventids2.c eventids2table.c \
 	$(hdrdir)/ruby/ruby.h $(arch_hdrdir)/ruby/config.h \
 	$(hdrdir)/ruby/defines.h $(hdrdir)/ruby/intern.h \
 	$(hdrdir)/ruby/encoding.h $(hdrdir)/missing.h \