diff --git a/lib/pkp b/lib/pkp
index 3679eed667..22c0976a17 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit 3679eed667a486ead2dcf0c7a39d0dd1dbc7c610
+Subproject commit 22c0976a1703737d3de2188f4e36bce49ff28cd8