diff --git a/version.h b/version.h
index 82258c6780..0865c94281 100644
--- a/version.h
+++ b/version.h
@@ -1,11 +1,11 @@
 #define RUBY_VERSION "1.8.0"
-#define RUBY_RELEASE_DATE "2002-12-31"
+#define RUBY_RELEASE_DATE "2003-01-01"
 #define RUBY_VERSION_CODE 180
-#define RUBY_RELEASE_CODE 20021231
+#define RUBY_RELEASE_CODE 20030101
 
 #define RUBY_VERSION_MAJOR 1
 #define RUBY_VERSION_MINOR 8
 #define RUBY_VERSION_TEENY 0
-#define RUBY_RELEASE_YEAR 2002
-#define RUBY_RELEASE_MONTH 12
-#define RUBY_RELEASE_DAY 31
+#define RUBY_RELEASE_YEAR 2003
+#define RUBY_RELEASE_MONTH 01
+#define RUBY_RELEASE_DAY 01