diff --git a/lib/pkp b/lib/pkp
index 8355f0c5b59..d1f45f70706 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit 8355f0c5b59f9d511444ab7c46cfd0d0f5dc1deb
+Subproject commit d1f45f70706207cf9ca9767a658d9c3c73a8e673