diff --git a/version.h b/version.h
index 395ccb9807..9f381e7932 100644
--- a/version.h
+++ b/version.h
@@ -1,15 +1,15 @@
 #define RUBY_VERSION "1.9.0"
-#define RUBY_RELEASE_DATE "2008-07-31"
+#define RUBY_RELEASE_DATE "2008-08-01"
 #define RUBY_VERSION_CODE 190
-#define RUBY_RELEASE_CODE 20080731
+#define RUBY_RELEASE_CODE 20080801
 #define RUBY_PATCHLEVEL 0
 
 #define RUBY_VERSION_MAJOR 1
 #define RUBY_VERSION_MINOR 9
 #define RUBY_VERSION_TEENY 0
 #define RUBY_RELEASE_YEAR 2008
-#define RUBY_RELEASE_MONTH 7
-#define RUBY_RELEASE_DAY 31
+#define RUBY_RELEASE_MONTH 8
+#define RUBY_RELEASE_DAY 1
 
 #ifdef RUBY_EXTERN
 RUBY_EXTERN const char ruby_version[];