diff --git a/lib/pkp b/lib/pkp
index c7588fe57d7..75b9b6dbe26 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit c7588fe57d726e16eb7250837095f7ae0366f10c
+Subproject commit 75b9b6dbe26271ed511c634dce12443c2c2f0f50