diff --git a/version.h b/version.h
index 9e5904493e..6825866695 100644
--- a/version.h
+++ b/version.h
@@ -1,11 +1,11 @@
 #define RUBY_VERSION "1.8.1"
-#define RUBY_RELEASE_DATE "2003-10-31"
+#define RUBY_RELEASE_DATE "2003-11-01"
 #define RUBY_VERSION_CODE 181
-#define RUBY_RELEASE_CODE 20031031
+#define RUBY_RELEASE_CODE 20031101
 
 #define RUBY_VERSION_MAJOR 1
 #define RUBY_VERSION_MINOR 8
 #define RUBY_VERSION_TEENY 1
 #define RUBY_RELEASE_YEAR 2003
-#define RUBY_RELEASE_MONTH 10
-#define RUBY_RELEASE_DAY 31
+#define RUBY_RELEASE_MONTH 11
+#define RUBY_RELEASE_DAY 1