diff --git a/gtsam/base/FastSet.h b/gtsam/base/FastSet.h
index 985125d40..a5ee77495 100644
--- a/gtsam/base/FastSet.h
+++ b/gtsam/base/FastSet.h
@@ -18,7 +18,9 @@
 
 #pragma once
 
+#if BOOST_VERSION >= 107400
 #include <boost/serialization/library_version_type.hpp>
+#endif
 #include <boost/serialization/nvp.hpp>
 #include <boost/serialization/set.hpp>
 #include <gtsam/base/FastDefaultAllocator.h>