diff --git a/version.h b/version.h
index 91896c887a..a821314f90 100644
--- a/version.h
+++ b/version.h
@@ -1,14 +1,14 @@
 #define RUBY_VERSION "1.9.0"
-#define RUBY_RELEASE_DATE "2004-08-20"
+#define RUBY_RELEASE_DATE "2004-08-21"
 #define RUBY_VERSION_CODE 190
-#define RUBY_RELEASE_CODE 20040820
+#define RUBY_RELEASE_CODE 20040821
 
 #define RUBY_VERSION_MAJOR 1
 #define RUBY_VERSION_MINOR 9
 #define RUBY_VERSION_TEENY 0
 #define RUBY_RELEASE_YEAR 2004
 #define RUBY_RELEASE_MONTH 8
-#define RUBY_RELEASE_DAY 20
+#define RUBY_RELEASE_DAY 21
 
 RUBY_EXTERN const char ruby_version[];
 RUBY_EXTERN const char ruby_release_date[];