diff --git a/pw_transfer/public/pw_transfer/internal/config.h b/pw_transfer/public/pw_transfer/internal/config.h
index f144ac2a79..6fb82a92ee 100644
--- a/pw_transfer/public/pw_transfer/internal/config.h
+++ b/pw_transfer/public/pw_transfer/internal/config.h
@@ -15,6 +15,7 @@
 // Configuration macros for the transfer module.
 #pragma once
 
+#include <chrono>
 #include <cinttypes>
 #include <limits>