diff --git a/include/dwarfs/entry.h b/include/dwarfs/entry.h
index 55f737ce..254a2ae0 100644
--- a/include/dwarfs/entry.h
+++ b/include/dwarfs/entry.h
@@ -21,6 +21,7 @@
 
 #pragma once
 
+#include <atomic>
 #include <cstddef>
 #include <cstdint>
 #include <filesystem>