diff --git a/lib/pkp b/lib/pkp
index 011ebb8c2ea..fd6b9733de5 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit 011ebb8c2ea29a01729e1420723cb39fd70180b2
+Subproject commit fd6b9733de5bb4f5b5552604bc35be7ec10a20d3