diff --git a/lib/pkp b/lib/pkp
index f7fa4d4fae..77d65ca4eb 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit f7fa4d4fae1a81de415437024afcc399ec762166
+Subproject commit 77d65ca4eb53b9c757748991e1e025568c2e3b54