diff --git a/src/Storage.h b/src/Storage.h
index 4dacbd608c..f91d89b3e5 100644
--- a/src/Storage.h
+++ b/src/Storage.h
@@ -14,6 +14,7 @@
 #include <iosfwd>
 #include <memory>
 #include <mutex>
+#include <vector>
 
 #include "llvm/StringMap.h"
 #include "atomic_static.h"