diff --git a/include/yaml-cpp/node/ptr.h b/include/yaml-cpp/node/ptr.h
index 64c8689..ce085dd 100644
--- a/include/yaml-cpp/node/ptr.h
+++ b/include/yaml-cpp/node/ptr.h
@@ -8,7 +8,7 @@
 #endif
 
 #include "yaml-cpp/dll.h"
-#include <boost/shared_ptr.hpp>
+#include <memory>
 
 namespace YAML {
 namespace detail {
@@ -18,11 +18,11 @@ class node_data;
 class memory;
 class memory_holder;
 
-typedef boost::shared_ptr<node> shared_node;
-typedef boost::shared_ptr<node_ref> shared_node_ref;
-typedef boost::shared_ptr<node_data> shared_node_data;
-typedef boost::shared_ptr<memory_holder> shared_memory_holder;
-typedef boost::shared_ptr<memory> shared_memory;
+typedef std::shared_ptr<node> shared_node;
+typedef std::shared_ptr<node_ref> shared_node_ref;
+typedef std::shared_ptr<node_data> shared_node_data;
+typedef std::shared_ptr<memory_holder> shared_memory_holder;
+typedef std::shared_ptr<memory> shared_memory;
 }
 }