diff --git a/version.h b/version.h
index 8e798e6d57..545d0f8e1a 100644
--- a/version.h
+++ b/version.h
@@ -1,10 +1,10 @@
 #define RUBY_VERSION "1.9.3"
 #define RUBY_PATCHLEVEL -1
 
-#define RUBY_RELEASE_DATE "2011-08-20"
+#define RUBY_RELEASE_DATE "2011-08-21"
 #define RUBY_RELEASE_YEAR 2011
 #define RUBY_RELEASE_MONTH 8
-#define RUBY_RELEASE_DAY 20
+#define RUBY_RELEASE_DAY 21
 
 #include "ruby/version.h"