diff --git a/version.h b/version.h
index 5e2f1f98e6..6b7f4d2941 100644
--- a/version.h
+++ b/version.h
@@ -1,11 +1,11 @@
 #define RUBY_VERSION "1.9.3"
-#define RUBY_RELEASE_DATE "2010-11-11"
+#define RUBY_RELEASE_DATE "2010-11-12"
 #define RUBY_PATCHLEVEL -1
 #define RUBY_BRANCH_NAME "trunk"
 
 #define RUBY_RELEASE_YEAR 2010
 #define RUBY_RELEASE_MONTH 11
-#define RUBY_RELEASE_DAY 11
+#define RUBY_RELEASE_DAY 12
 
 #include "ruby/version.h"