diff --git a/solanaceae/util/event_provider.hpp b/solanaceae/util/event_provider.hpp
index 410d54e..282f402 100644
--- a/solanaceae/util/event_provider.hpp
+++ b/solanaceae/util/event_provider.hpp
@@ -2,6 +2,7 @@
 
 #include <array>
 #include <vector>
+#include <cstdint>
 
 template<typename EventI>
 struct EventProviderI {