diff --git a/lib/pkp b/lib/pkp
index 2fd4f04cf55..bde37429dbb 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit 2fd4f04cf55884da9ed1d77a9815c4ab36d47b52
+Subproject commit bde37429dbb6cbc33c54623b5920fb5f3af32d8f