diff --git a/lib/pkp b/lib/pkp
index 41afa39e82b..33ebd1ae5cf 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit 41afa39e82b68334bc606d0d858c6f722ba69084
+Subproject commit 33ebd1ae5cfd65281b6e1f00caa0a86cdf9c41fc