diff --git a/ChangeLog b/ChangeLog
index 5f71e98991..949e832720 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Mon Jul 30 01:30:10 2012  CHIKANAGA Tomoyuki  <nagachika@ruby-lang.org>
+
+	* common.mk: add a dependency. [ruby-core:46741] [Bug #6789]
+
 Sun Jul 29 15:44:47 2012  CHIKANAGA Tomoyuki  <nagachika@ruby-lang.org>
 
 	* thread.c (thread_create_core): hide th->async_errinfo_mask_stack from
diff --git a/common.mk b/common.mk
index 15c9b3f4bc..1c873db20d 100644
--- a/common.mk
+++ b/common.mk
@@ -686,7 +686,7 @@ parse.$(OBJEXT): {$(VPATH)}parse.c $(RUBY_H_INCLUDES) {$(VPATH)}node.h \
   {$(VPATH)}regex.h {$(VPATH)}util.h {$(VPATH)}lex.c \
   {$(VPATH)}defs/keywords {$(VPATH)}id.c {$(VPATH)}parse.y \
   {$(VPATH)}parse.h \
-  {$(VPATH)}internal.h
+  {$(VPATH)}internal.h {$(VPATH)}id.h
 proc.$(OBJEXT): {$(VPATH)}proc.c {$(VPATH)}eval_intern.h \
   $(RUBY_H_INCLUDES) {$(VPATH)}gc.h $(VM_CORE_H_INCLUDES) \
   {$(VPATH)}debug.h {$(VPATH)}internal.h {$(VPATH)}iseq.h