diff --git a/lib/pkp b/lib/pkp
index 1085d09ef5..67c74d9af2 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit 1085d09ef53fb44a1211b0ae6f25f5fd884b1624
+Subproject commit 67c74d9af2de0a84a2306a7405b81ba9a2889b86