diff --git a/lib/pkp b/lib/pkp
index 34e7fe70eaf..d784b46e9ba 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit 34e7fe70eafd47dda983b02440ee66436ddf3586
+Subproject commit d784b46e9baa1f06ad19d62f49c7ae8b5880fcc8