diff --git a/lib/pkp b/lib/pkp
index e0e7a692bf..1fda479357 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit e0e7a692bf1823ada0ee088bb1a6b7c4f9e8d5b9
+Subproject commit 1fda4793572a4b358d84df6698047066acf1a7de