diff --git a/source/randomizer.hpp b/source/randomizer.hpp
index 1b02c9037..f9fef0bc4 100644
--- a/source/randomizer.hpp
+++ b/source/randomizer.hpp
@@ -1,4 +1,4 @@
 #pragma once
 
-#define RANDOMIZER_VERSION "v3.1"
+#define RANDOMIZER_VERSION "v4.0"
 #define COMMIT_NUMBER "develop"