diff --git a/include/boost/process/detail/windows/io_context_ref.hpp b/include/boost/process/detail/windows/io_context_ref.hpp
index e2691b4b0..3722ff12a 100644
--- a/include/boost/process/detail/windows/io_context_ref.hpp
+++ b/include/boost/process/detail/windows/io_context_ref.hpp
@@ -10,6 +10,7 @@
 #include <boost/process/detail/windows/async_handler.hpp>
 #include <boost/process/detail/windows/is_running.hpp>
 #include <boost/asio/io_context.hpp>
+#include <boost/asio/post.hpp>
 #include <boost/asio/windows/object_handle.hpp>
 #include <boost/winapi/process.hpp>
 #include <boost/winapi/handles.hpp>
diff --git a/include/boost/process/detail/windows/on_exit.hpp b/include/boost/process/detail/windows/on_exit.hpp
index 10f3264bc..c98f8d09d 100644
--- a/include/boost/process/detail/windows/on_exit.hpp
+++ b/include/boost/process/detail/windows/on_exit.hpp
@@ -10,6 +10,7 @@
 #include <boost/process/detail/config.hpp>
 #include <boost/process/detail/handler_base.hpp>
 #include <boost/process/detail/windows/async_handler.hpp>
+#include <boost/asio/execution.hpp>
 #include <system_error>
 #include <functional>