diff --git a/solanaceae/plugin/plugin.hpp b/solanaceae/plugin/plugin.hpp
index 0d5b1ab..baf6ab7 100644
--- a/solanaceae/plugin/plugin.hpp
+++ b/solanaceae/plugin/plugin.hpp
@@ -1,6 +1,7 @@
 #pragma once
 
 #include <string>
+#include <cstdint>
 
 extern "C" {
 struct SolanaAPI;