diff --git a/lib/pkp b/lib/pkp
index 552cac988c2..d2ed0ef56e6 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit 552cac988c26359bcba12e627fb5b9f2a30ef6be
+Subproject commit d2ed0ef56e6268bcc02f9ca6cba0d2ae90402b48