diff --git a/include/Ark/VM/Value/Closure.hpp b/include/Ark/VM/Value/Closure.hpp
index 91060a3e..469794a8 100644
--- a/include/Ark/VM/Value/Closure.hpp
+++ b/include/Ark/VM/Value/Closure.hpp
@@ -13,6 +13,7 @@
 
 #include <memory>
 #include <string>
+#include <cstdint>
 
 #include <Ark/Utils/Platform.hpp>