diff --git a/lib/pkp b/lib/pkp
index 4c85bd38b25..d2f9beb2975 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit 4c85bd38b2581fcd09b6dd9bca0a3852417ad86d
+Subproject commit d2f9beb2975db27232717a7fe364a98423dec739