diff --git a/hash.ixx b/hash.ixx
index ffddd79..82f5808 100644
--- a/hash.ixx
+++ b/hash.ixx
@@ -1,6 +1,8 @@
 module;
+#include <cstdint>
 #include <filesystem>
 #include <fstream>
+#include <string>
 #include <vector>
 #include "throw_line.hh"