diff --git a/lib/pkp b/lib/pkp
index 8f8d5c8d82..6de029f8e3 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit 8f8d5c8d8208b035c15d3a78cc2f02d4dfb72533
+Subproject commit 6de029f8e38b6a65ec3dbd53bd8649297033f428