diff --git a/lib/pkp b/lib/pkp
index 494023aef80..77965606ca3 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit 494023aef80274b66c8fd13382e031b7302b537a
+Subproject commit 77965606ca3ced2a7eba4be0e6876eb7a4f054a2