diff --git a/version.h b/version.h
index d9f1dacfb0..6d2837f804 100644
--- a/version.h
+++ b/version.h
@@ -1,11 +1,11 @@
 #define RUBY_VERSION "2.1.0"
-#define RUBY_RELEASE_DATE "2013-05-27"
+#define RUBY_RELEASE_DATE "2013-05-28"
 #define RUBY_PATCHLEVEL -1
 #define RUBY_BRANCH_NAME "trunk"
 
 #define RUBY_RELEASE_YEAR 2013
 #define RUBY_RELEASE_MONTH 5
-#define RUBY_RELEASE_DAY 27
+#define RUBY_RELEASE_DAY 28
 
 #include "ruby/version.h"