diff --git a/src/const/public/const.h b/src/const/public/const.h
index 6fe7aa7..c98ecc0 100644
--- a/src/const/public/const.h
+++ b/src/const/public/const.h
@@ -5,6 +5,7 @@
 #include <fstream>
 #include <iostream>
 #include <vector>
+#include <set>
 #include <map>
 
 /**