diff --git a/src/mongo/db/ftdc/collector.h b/src/mongo/db/ftdc/collector.h
index 90c81bd..4f6ea51 100644
--- a/src/mongo/db/ftdc/collector.h
+++ b/src/mongo/db/ftdc/collector.h
@@ -31,6 +31,7 @@
 #include <memory>
 #include <tuple>
 #include <vector>
+#include <string>
 
 #include "mongo/base/disallow_copying.h"
 
diff --git a/src/mongo/db/storage/wiredtiger/wiredtiger_extensions.h b/src/mongo/db/storage/wiredtiger/wiredtiger_extensions.h
index ba73a7f..fe91557 100644
--- a/src/mongo/db/storage/wiredtiger/wiredtiger_extensions.h
+++ b/src/mongo/db/storage/wiredtiger/wiredtiger_extensions.h
@@ -31,6 +31,7 @@
 
 #include <memory>
 #include <vector>
+#include <string>
 
 namespace mongo {