diff --git a/lib/pkp b/lib/pkp
index 1bf2782e82e..e9e0bb319e2 160000
--- a/lib/pkp
+++ b/lib/pkp
@@ -1 +1 @@
-Subproject commit 1bf2782e82ec9cdd582f786ba8c8b0f59eba528d
+Subproject commit e9e0bb319e2517d9037d7097885bdef80eaa7960