diff --git a/ChangeLog b/ChangeLog
index 54a5342c72..3425ddc31b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Tue Jul 17 11:22:01 2001  Yukihiro Matsumoto  <matz@ruby-lang.org>
+
+	* regex.c (NUM_FAILURE_ITEMS): was confusing NUM_REG_ITEMS and
+	  NUM_NONREG_ITEMS, which have happened to be same value.
+
 Tue Jul 17 11:18:42 2001  Usaku Nakamura  <usa@osb.att.ne.jp>
 
 	* ext/extmk.rb.in: modify RM macro because command.com/cmd.exe don't
diff --git a/version.h b/version.h
index faffeb04d1..d9c2e7c437 100644
--- a/version.h
+++ b/version.h
@@ -1,4 +1,4 @@
 #define RUBY_VERSION "1.6.4"
-#define RUBY_RELEASE_DATE "2001-07-16"
+#define RUBY_RELEASE_DATE "2001-07-18"
 #define RUBY_VERSION_CODE 164
-#define RUBY_RELEASE_CODE 20010716
+#define RUBY_RELEASE_CODE 20010718