diff --git a/lib/pkp b/lib/pkp
index 1085d09ef53..e9a1eaf8c1f 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit 1085d09ef53fb44a1211b0ae6f25f5fd884b1624
+Subproject commit e9a1eaf8c1f93e2f73b07fa52cb32dc0947216f7