diff --git a/dpf b/dpf
index 71b9ea0..d8521ef 160000
--- a/dpf
+++ b/dpf
@@ -1 +1 @@
-Subproject commit 71b9ea044e29fc4f367e1cc4a26a57c61983bd99
+Subproject commit d8521efcdd36317421bd4cd3fccf58e1b9bcecf6