diff --git a/version.h b/version.h
index a08d7457fa..de104a9f3f 100644
--- a/version.h
+++ b/version.h
@@ -4,7 +4,7 @@
 
 #define RUBY_RELEASE_YEAR 2018
 #define RUBY_RELEASE_MONTH 7
-#define RUBY_RELEASE_DAY 7
+#define RUBY_RELEASE_DAY 8
 
 #include "ruby/version.h"