diff --git a/lib/pkp b/lib/pkp
index 7f68096c590..9ae0d535535 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit 7f68096c5903037cac571ca15da83aff1e82c69a
+Subproject commit 9ae0d535535b06210e675515e6b66fff1fcaf565