diff --git a/lib/pkp b/lib/pkp
index cdda6f7bf28..5e277eacd31 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit cdda6f7bf28889200bfa3f0725bceaaeebf1131a
+Subproject commit 5e277eacd319ee9dae9c658677c64957defe611c