diff --git a/tools/db_stress.cc b/tools/db_stress.cc
index 6eb974e093..579178efff 100644
--- a/tools/db_stress.cc
+++ b/tools/db_stress.cc
@@ -38,6 +38,7 @@ int main() {
 #include <stdlib.h>
 #include <sys/types.h>
 #include <algorithm>
+#include <array>
 #include <chrono>
 #include <exception>
 #include <queue>