diff --git a/version.h b/version.h
index 9d76952295..794c8f8ccb 100644
--- a/version.h
+++ b/version.h
@@ -1,11 +1,11 @@
 #define RUBY_VERSION "1.8.1"
-#define RUBY_RELEASE_DATE "2004-01-08"
+#define RUBY_RELEASE_DATE "2004-01-11"
 #define RUBY_VERSION_CODE 181
-#define RUBY_RELEASE_CODE 20040108
+#define RUBY_RELEASE_CODE 20040111
 
 #define RUBY_VERSION_MAJOR 1
 #define RUBY_VERSION_MINOR 8
 #define RUBY_VERSION_TEENY 1
 #define RUBY_RELEASE_YEAR 2004
 #define RUBY_RELEASE_MONTH 1
-#define RUBY_RELEASE_DAY 8
+#define RUBY_RELEASE_DAY 11