diff --git a/version.h b/version.h
index 5f8db319cd..1580e86aaa 100644
--- a/version.h
+++ b/version.h
@@ -1,11 +1,11 @@
 #define RUBY_VERSION "1.9.0"
-#define RUBY_RELEASE_DATE "2004-01-14"
+#define RUBY_RELEASE_DATE "2004-01-15"
 #define RUBY_VERSION_CODE 190
-#define RUBY_RELEASE_CODE 20040114
+#define RUBY_RELEASE_CODE 20040115
 
 #define RUBY_VERSION_MAJOR 1
 #define RUBY_VERSION_MINOR 9
 #define RUBY_VERSION_TEENY 0
 #define RUBY_RELEASE_YEAR 2004
 #define RUBY_RELEASE_MONTH 1
-#define RUBY_RELEASE_DAY 14
+#define RUBY_RELEASE_DAY 15