diff --git a/version.h b/version.h
index e6aaea1fa8..fd54cb7dc4 100644
--- a/version.h
+++ b/version.h
@@ -6,7 +6,7 @@
 
 #define RUBY_RELEASE_YEAR 2019
 #define RUBY_RELEASE_MONTH 1
-#define RUBY_RELEASE_DAY 5
+#define RUBY_RELEASE_DAY 6
 
 #include "ruby/version.h"