diff --git a/lib/pkp b/lib/pkp
index d11f57421d2..4a44144e623 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit d11f57421d2cefb9ce46c74ca5676671fa3dc1e8
+Subproject commit 4a44144e623c6ba086077ddcc33249e45820cc6b