diff --git a/lib/pkp b/lib/pkp
index 24589dfdc2f..78d06ea3e80 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit 24589dfdc2f008fa6730d8534ed6fdd442e298b7
+Subproject commit 78d06ea3e8052aa1a43a7f464b8375ffa36c8d47