diff --git a/version.h b/version.h
index abafed2353..d03d88d467 100644
--- a/version.h
+++ b/version.h
@@ -1,11 +1,11 @@
 #define RUBY_VERSION "1.8.0"
-#define RUBY_RELEASE_DATE "2003-01-20"
+#define RUBY_RELEASE_DATE "2003-01-21"
 #define RUBY_VERSION_CODE 180
-#define RUBY_RELEASE_CODE 20030120
+#define RUBY_RELEASE_CODE 20030121
 
 #define RUBY_VERSION_MAJOR 1
 #define RUBY_VERSION_MINOR 8
 #define RUBY_VERSION_TEENY 0
 #define RUBY_RELEASE_YEAR 2003
 #define RUBY_RELEASE_MONTH 01
-#define RUBY_RELEASE_DAY 20
+#define RUBY_RELEASE_DAY 21