diff --git a/lib/pkp b/lib/pkp
index 81def38b3e6..86a7de3853b 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit 81def38b3e6f392a8dde5c926e30feac91983c0d
+Subproject commit 86a7de3853b19f921f2d0f070a8f394d9de744ec