diff --git a/version.h b/version.h
index 0ad193bc8a..0eb7b4886a 100644
--- a/version.h
+++ b/version.h
@@ -4,7 +4,7 @@
 
 #define RUBY_RELEASE_YEAR 2018
 #define RUBY_RELEASE_MONTH 2
-#define RUBY_RELEASE_DAY 19
+#define RUBY_RELEASE_DAY 20
 
 #include "ruby/version.h"