diff --git a/lib/pkp b/lib/pkp
index 80f1467d6ef..cbb0f53df0f 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit 80f1467d6ef2da5976c8e8bc7210e9e944c40f58
+Subproject commit cbb0f53df0f74f9e3033cc6491e49789f665d7c2