diff --git a/winsup/cygwin/cygwin.din b/winsup/cygwin/cygwin.din
index c6768e4fc..b654661e9 100644
--- a/winsup/cygwin/cygwin.din
+++ b/winsup/cygwin/cygwin.din
@@ -1040,8 +1040,10 @@ posix_madvise SIGFE
 posix_memalign SIGFE
 posix_openpt SIGFE
 posix_spawn SIGFE
+posix_spawn_file_actions_addchdir_np SIGFE
 posix_spawn_file_actions_addclose SIGFE
 posix_spawn_file_actions_adddup2 SIGFE
+posix_spawn_file_actions_addfchdir_np SIGFE
 posix_spawn_file_actions_addopen SIGFE
 posix_spawn_file_actions_destroy SIGFE
 posix_spawn_file_actions_init SIGFE
diff --git a/winsup/cygwin/release/3.5.0 b/winsup/cygwin/release/3.5.0
index 4123b8d32..f7c267616 100644
--- a/winsup/cygwin/release/3.5.0
+++ b/winsup/cygwin/release/3.5.0
@@ -23,3 +23,6 @@ What's new:
   other process could do.
 
 - Add support for GB18030 codeset.
+
+- New API calls: posix_spawn_file_actions_addchdir_np,
+  posix_spawn_file_actions_addfchdir_np.
diff --git a/winsup/doc/new-features.xml b/winsup/doc/new-features.xml
index a958f1600..f2e7a0773 100644
--- a/winsup/doc/new-features.xml
+++ b/winsup/doc/new-features.xml
@@ -45,6 +45,11 @@ could do.
 Add support for GB18030 codeset.
 </para></listitem>
 
+<listitem><para>
+- New API calls: posix_spawn_file_actions_addchdir_np,
+  posix_spawn_file_actions_addfchdir_np.
+</para></listitem>
+
 </itemizedlist>
 
 </sect2>