diff --git a/lib/pkp b/lib/pkp
index fb551c10bd2..af71ccd22e1 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit fb551c10bd22406b773ae4e4b41bcb5e33a90fd2
+Subproject commit af71ccd22e1a335ce7b0faae2c130b17466e6747