diff --git a/version.h b/version.h
index 39cdf4bc17..67065c6e44 100644
--- a/version.h
+++ b/version.h
@@ -1,14 +1,14 @@
 #define RUBY_VERSION "1.9.0"
-#define RUBY_RELEASE_DATE "2004-08-17"
+#define RUBY_RELEASE_DATE "2004-08-18"
 #define RUBY_VERSION_CODE 190
-#define RUBY_RELEASE_CODE 20040817
+#define RUBY_RELEASE_CODE 20040818
 
 #define RUBY_VERSION_MAJOR 1
 #define RUBY_VERSION_MINOR 9
 #define RUBY_VERSION_TEENY 0
 #define RUBY_RELEASE_YEAR 2004
 #define RUBY_RELEASE_MONTH 8
-#define RUBY_RELEASE_DAY 17
+#define RUBY_RELEASE_DAY 18
 
 RUBY_EXTERN const char ruby_version[];
 RUBY_EXTERN const char ruby_release_date[];