diff --git a/lib/pkp b/lib/pkp
index a349b97c5a5..f7f7e8979ff 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit a349b97c5a5d67e09db549a393155e1cd4bd6a46
+Subproject commit f7f7e8979ffdd1812c12c9bfefdd3fa5deb256ac