diff --git a/lib/pkp b/lib/pkp
index f4791af3279..22af741d448 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit f4791af3279dc5f96f74d8e146c0d0453a262dff
+Subproject commit 22af741d448e394dcbaeb8cc652530f5705666e1