diff --git a/lib/pkp b/lib/pkp
index 731d29129e1..c3f2c7200e5 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit 731d29129e17d6d941a47c6a9a34aa30b566974a
+Subproject commit c3f2c7200e5c801162052aa4a9d417857cab0428