diff --git a/lib/pkp b/lib/pkp
index 0d8b72e2f39..50e0ea86a03 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit 0d8b72e2f39a1304e6b8528db7fad0cd49e52d80
+Subproject commit 50e0ea86a03fb0fc90a6728b10a6e933314a14a6