diff --git a/lib/pkp b/lib/pkp
index 50224038972..e7d7ad70a5c 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit 502240389728e58998cc5f25ca356a7359a8d087
+Subproject commit e7d7ad70a5c50d15e427816d0844a00bbcf7049a