diff --git a/lib/pkp b/lib/pkp
index 6d005d71410..a530c90e7eb 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit 6d005d71410635b93dbb60ad9340086134f6493b
+Subproject commit a530c90e7ebb001417cb8628aa17ad5e54954445