diff --git a/version.h b/version.h
index 22ff240fc9..8736824d67 100644
--- a/version.h
+++ b/version.h
@@ -1,11 +1,11 @@
 #define RUBY_VERSION "1.9.3"
-#define RUBY_RELEASE_DATE "2010-09-14"
+#define RUBY_RELEASE_DATE "2010-09-15"
 #define RUBY_PATCHLEVEL -1
 #define RUBY_BRANCH_NAME "trunk"
 
 #define RUBY_RELEASE_YEAR 2010
 #define RUBY_RELEASE_MONTH 9
-#define RUBY_RELEASE_DAY 14
+#define RUBY_RELEASE_DAY 15
 
 #include "ruby/version.h"