diff --git a/version.h b/version.h
index 0ab29c5e6b..07363f82ce 100644
--- a/version.h
+++ b/version.h
@@ -1,11 +1,11 @@
 #define RUBY_VERSION "2.2.0"
-#define RUBY_RELEASE_DATE "2014-05-08"
+#define RUBY_RELEASE_DATE "2014-05-09"
 #define RUBY_PATCHLEVEL -1
 #define RUBY_BRANCH_NAME "trunk"
 
 #define RUBY_RELEASE_YEAR 2014
 #define RUBY_RELEASE_MONTH 5
-#define RUBY_RELEASE_DAY 8
+#define RUBY_RELEASE_DAY 9
 
 #include "ruby/version.h"