diff --git a/lib/pkp b/lib/pkp
index d15e9984d6d..2cc338319a5 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit d15e9984d6dad2f9264f37442f0b934a976dd383
+Subproject commit 2cc338319a522a9ec8fdcd69d04a8551499f77ef