diff --git a/version.h b/version.h
index 6e8ffeab25..0b046efe15 100644
--- a/version.h
+++ b/version.h
@@ -1,14 +1,14 @@
 #define RUBY_VERSION "1.9.0"
-#define RUBY_RELEASE_DATE "2005-10-20"
+#define RUBY_RELEASE_DATE "2005-10-21"
 #define RUBY_VERSION_CODE 190
-#define RUBY_RELEASE_CODE 20051020
+#define RUBY_RELEASE_CODE 20051021
 
 #define RUBY_VERSION_MAJOR 1
 #define RUBY_VERSION_MINOR 9
 #define RUBY_VERSION_TEENY 0
 #define RUBY_RELEASE_YEAR 2005
 #define RUBY_RELEASE_MONTH 10
-#define RUBY_RELEASE_DAY 20
+#define RUBY_RELEASE_DAY 21
 
 RUBY_EXTERN const char ruby_version[];
 RUBY_EXTERN const char ruby_release_date[];