diff --git a/lib/pkp b/lib/pkp
index 9bdcb083908..fc09544ce79 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit 9bdcb08390888095ed702f9264329b3d5a1deefe
+Subproject commit fc09544ce79b8ca44b8c8577e081fcb647aa2e5f