diff --git a/net/http/http_basic_state.h b/net/http/http_basic_state.h
index 5fd1ee514..06c46df6b 100644
--- a/net/http/http_basic_state.h
+++ b/net/http/http_basic_state.h
@@ -10,6 +10,7 @@
 
 #include <memory>
 #include <string>
+#include <vector>
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"