diff --git a/include/yaml-cpp/node/node.h b/include/yaml-cpp/node/node.h
index d0a647e..cc54d17 100644
--- a/include/yaml-cpp/node/node.h
+++ b/include/yaml-cpp/node/node.h
@@ -8,6 +8,7 @@
 #endif
 
 #include <stdexcept>
+#include <string>
 
 #include "yaml-cpp/dll.h"
 #include "yaml-cpp/emitterstyle.h"