diff --git a/src/main/main.cpp b/src/main/main.cpp
index fbc5196..2eeeeb3 100644
--- a/src/main/main.cpp
+++ b/src/main/main.cpp
@@ -48,7 +48,7 @@
 
 #include "../../lib/rt64/src/contrib/stb/stb_image.h"
 
-const std::string version_string = "1.2.0";
+const std::string version_string = "1.2.0-dev1.2.1";
 
 template<typename... Ts>
 void exit_error(const char* str, Ts ...args) {