diff --git a/lib/pkp b/lib/pkp
index cf31936da1a..1f1962a7612 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit cf31936da1adf92a5df52217f0b4f0d4aafdcbe6
+Subproject commit 1f1962a7612583280b1333e00b4fa6d3d2633948