diff --git a/lib/pkp b/lib/pkp
index 1399d095b7..cabb879ef7 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit 1399d095b7fb76d861017403ae268bd88ce075f4
+Subproject commit cabb879ef71617ba5738eedae3ebda9f24e539a4