diff --git a/db/blob/blob_index.h b/db/blob/blob_index.h
index e9944d78448..315b64ea413 100644
--- a/db/blob/blob_index.h
+++ b/db/blob/blob_index.h
@@ -4,6 +4,7 @@
 //  (found in the LICENSE.Apache file in the root directory).
 #pragma once
 
+#include <cstdint>
 #include <sstream>
 #include <string>