diff --git a/wrp_io b/wrp_io
index 2e4261d..7f9e3c4 160000
--- a/wrp_io
+++ b/wrp_io
@@ -1 +1 @@
-Subproject commit 2e4261dff5823bb35a02c5977cff821bc28d6205
+Subproject commit 7f9e3c436c119f4a22a8900c892feaac3c1b1fd3