diff --git a/include/utils/command_parser.hpp b/include/utils/command_parser.hpp
index 2129958..b737ccd 100644
--- a/include/utils/command_parser.hpp
+++ b/include/utils/command_parser.hpp
@@ -5,6 +5,7 @@
 #include <vector>
 #include <string>
 #include <functional>
+#include <variant>
 
 enum class PatternType { FixedWord, AnyWord, AnyWords };