diff --git a/include/mruby/version.h b/include/mruby/version.h
index 20c39ec79..1bd7f4a34 100644
--- a/include/mruby/version.h
+++ b/include/mruby/version.h
@@ -42,7 +42,7 @@ MRB_BEGIN_DECL
 /*
  * Minor release version number.
  */
-#define MRUBY_RELEASE_MINOR 2
+#define MRUBY_RELEASE_MINOR 3
 
 /*
  * Tiny release version number.