diff --git a/src/probabilistic/BitVector.h b/src/probabilistic/BitVector.h
index 5ddd582e63..e1b5ce35be 100644
--- a/src/probabilistic/BitVector.h
+++ b/src/probabilistic/BitVector.h
@@ -2,6 +2,7 @@
 
 #pragma once
 
+#include <cstdint>
 #include <iterator>
 #include <memory>
 #include <optional>