diff --git a/mojo/services/network/http_client.h b/mojo/services/network/http_client.h
index fd7eada..e70a7da 100644
--- a/mojo/services/network/http_client.h
+++ b/mojo/services/network/http_client.h
@@ -7,6 +7,7 @@
 
 #include "base/logging.h"
 
+#include "mojo/public/cpp/system/wait.h"
 #include "mojo/services/network/net_errors.h"
 #include "mojo/services/network/upload_element_reader.h"
 
diff --git a/mojo/services/network/upload_element_reader.cc b/mojo/services/network/upload_element_reader.cc
index a156505..d739117 100644
--- a/mojo/services/network/upload_element_reader.cc
+++ b/mojo/services/network/upload_element_reader.cc
@@ -4,6 +4,7 @@
 
 #include "base/logging.h"
 
+#include "mojo/public/cpp/system/wait.h"
 #include "mojo/services/network/upload_element_reader.h"
 
 namespace mojo {