diff --git a/mbus/mbus.h b/mbus/mbus.h
index 3dae6aa..b801cd0 100644
--- a/mbus/mbus.h
+++ b/mbus/mbus.h
@@ -46,6 +46,7 @@ extern "C" {
 //
 //
 int mbus_init();
+char* get_current_version();
 
 #ifdef __cplusplus
 }