diff --git a/lib/pkp b/lib/pkp
index 843b4ac67f9..bee9547b491 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit 843b4ac67f9090fab2054b17af047f3994b72608
+Subproject commit bee9547b491353e92e53e5ed2da2d197a24be972