diff --git a/lib/pkp b/lib/pkp
index 8af045a37ab..952507fec48 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit 8af045a37ab605865a4ee511c4b732ac395df018
+Subproject commit 952507fec486c6596a606720fc4184739680579b