diff --git a/src/mlpack/prereqs.hpp b/src/mlpack/prereqs.hpp
index 4678636530..d99247d773 100644
--- a/src/mlpack/prereqs.hpp
+++ b/src/mlpack/prereqs.hpp
@@ -72,6 +72,7 @@ using enable_if_t = typename enable_if<B, T>::type;
 #include <cereal/archives/xml.hpp>
 #include <cereal/archives/json.hpp>
 #include <cereal/types/boost_variant.hpp>
+#include <cereal/types/vector.hpp>
 
 #include <mlpack/core/cereal/array_wrapper.hpp>
 #include <mlpack/core/cereal/pointer_wrapper.hpp>