diff --git a/lib/pkp b/lib/pkp
index 35c8eb5819c..ec2d951fc30 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit 35c8eb5819cbc78cb062d94e6a0152994ca1399a
+Subproject commit ec2d951fc30f94726409fa13d04aee432261a863