diff --git a/include/ipmid/message/pack.hpp b/include/ipmid/message/pack.hpp
index 4314ac1..18863c4 100644
--- a/include/ipmid/message/pack.hpp
+++ b/include/ipmid/message/pack.hpp
@@ -22,6 +22,7 @@
 #include <phosphor-logging/log.hpp>
 #include <tuple>
 #include <utility>
+#include <variant>
 #include <vector>
 
 namespace ipmi