diff --git a/libvfio-user b/libvfio-user
index b427c6084..b52bff72d 160000
--- a/libvfio-user
+++ b/libvfio-user
@@ -1 +1 @@
-Subproject commit b427c6084311f0c620bf4afe7746739e8c887977
+Subproject commit b52bff72d4eb646a453d19e19ddbd13ed6111a09