diff --git a/test/raw.cpp b/test/raw.cpp
index 2e054bc..b781054 100644
--- a/test/raw.cpp
+++ b/test/raw.cpp
@@ -1,3 +1,4 @@
+#include <array>
 #include <catch2/catch.hpp>
 #include <endian.h>
 #include <stdexcept>