diff --git a/ChangeLog b/ChangeLog
index 26cd5c7a1e..3af094e28e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+Fri Aug 25 21:15:22 2006  K.Kosako  <sndgk393 AT ybb.ne.jp>
+
+	* common.mk: add regint.h and oniguruma.h to dependence.
+
+	* ext/strscan/depend: ditto.
+
 Fri Aug 25 20:35:57 2006  NAKAMURA Usaku  <usa@ruby-lang.org>
 
 	* test/wsdl/document/echo.rb: removed.
diff --git a/common.mk b/common.mk
index a0108ec4d9..e8a36b5d41 100644
--- a/common.mk
+++ b/common.mk
@@ -247,7 +247,8 @@ file.$(OBJEXT): {$(VPATH)}file.c {$(VPATH)}ruby.h config.h \
 gc.$(OBJEXT): {$(VPATH)}gc.c {$(VPATH)}ruby.h config.h \
   {$(VPATH)}defines.h {$(VPATH)}intern.h {$(VPATH)}missing.h \
   {$(VPATH)}rubysig.h {$(VPATH)}st.h {$(VPATH)}node.h \
-  {$(VPATH)}env.h {$(VPATH)}re.h {$(VPATH)}regex.h
+  {$(VPATH)}env.h {$(VPATH)}re.h {$(VPATH)}regex.h {$(VPATH)}regint.h \
+  {$(VPATH)}oniguruma.h
 hash.$(OBJEXT): {$(VPATH)}hash.c {$(VPATH)}ruby.h config.h \
   {$(VPATH)}defines.h {$(VPATH)}intern.h {$(VPATH)}missing.h \
   {$(VPATH)}st.h {$(VPATH)}util.h {$(VPATH)}rubysig.h
@@ -286,7 +287,7 @@ range.$(OBJEXT): {$(VPATH)}range.c {$(VPATH)}ruby.h config.h \
   {$(VPATH)}defines.h {$(VPATH)}intern.h {$(VPATH)}missing.h
 re.$(OBJEXT): {$(VPATH)}re.c {$(VPATH)}ruby.h config.h \
   {$(VPATH)}defines.h {$(VPATH)}intern.h {$(VPATH)}missing.h \
-  {$(VPATH)}re.h {$(VPATH)}regex.h
+  {$(VPATH)}re.h {$(VPATH)}regex.h {$(VPATH)}regint.h {$(VPATH)}oniguruma.h
 regcomp.$(OBJEXT): {$(VPATH)}regcomp.c {$(VPATH)}oniguruma.h \
   {$(VPATH)}regint.h {$(VPATH)}regparse.h {$(VPATH)}regenc.h config.h
 regenc.$(OBJEXT): {$(VPATH)}regenc.c {$(VPATH)}regint.h \
@@ -310,7 +311,7 @@ sprintf.$(OBJEXT): {$(VPATH)}sprintf.c {$(VPATH)}ruby.h config.h \
 st.$(OBJEXT): {$(VPATH)}st.c config.h {$(VPATH)}st.h
 string.$(OBJEXT): {$(VPATH)}string.c {$(VPATH)}ruby.h config.h \
   {$(VPATH)}defines.h {$(VPATH)}intern.h {$(VPATH)}missing.h \
-  {$(VPATH)}re.h {$(VPATH)}regex.h
+  {$(VPATH)}re.h {$(VPATH)}regex.h {$(VPATH)}regint.h {$(VPATH)}oniguruma.h
 struct.$(OBJEXT): {$(VPATH)}struct.c {$(VPATH)}ruby.h config.h \
   {$(VPATH)}defines.h {$(VPATH)}intern.h {$(VPATH)}missing.h
 time.$(OBJEXT): {$(VPATH)}time.c {$(VPATH)}ruby.h config.h \
diff --git a/ext/strscan/depend b/ext/strscan/depend
index eba3c3a0d3..2a4255e916 100644
--- a/ext/strscan/depend
+++ b/ext/strscan/depend
@@ -1,2 +1,3 @@
 strscan.o: strscan.c $(hdrdir)/ruby.h $(hdrdir)/re.h $(hdrdir)/regex.h \
-	   $(topdir)/config.h $(hdrdir)/defines.h
+	   $(hdrdir)/regint.h $(hdrdir)/oniguruma.h $(topdir)/config.h \
+	   $(hdrdir)/defines.h