diff --git a/src/internal.hpp b/src/internal.hpp
index c0dcaac..2f248c2 100644
--- a/src/internal.hpp
+++ b/src/internal.hpp
@@ -9,6 +9,7 @@
 #include <functional>
 #include <sys/types.h>
 #include <vector>
+#include <array>
 
 namespace vkvm {