diff --git a/lib/pkp b/lib/pkp
index 6b52af77a2e..5b34729cfd6 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit 6b52af77a2e4b47536f45281f5d055152448482d
+Subproject commit 5b34729cfd6d19c78f6d6dd834c152a3a77d6110