diff --git a/version.h b/version.h
index 4832f6fe75..c88801b119 100644
--- a/version.h
+++ b/version.h
@@ -11,11 +11,11 @@
 # define RUBY_VERSION_MINOR RUBY_API_VERSION_MINOR
 #define RUBY_VERSION_TEENY 3
 #define RUBY_RELEASE_DATE RUBY_RELEASE_YEAR_STR"-"RUBY_RELEASE_MONTH_STR"-"RUBY_RELEASE_DAY_STR
-#define RUBY_PATCHLEVEL 30
+#define RUBY_PATCHLEVEL 31
 
 #define RUBY_RELEASE_YEAR 2022
 #define RUBY_RELEASE_MONTH 5
-#define RUBY_RELEASE_DAY 5
+#define RUBY_RELEASE_DAY 18
 
 #include "ruby/version.h"