diff --git a/libR-sys b/libR-sys
index 4728e8520c..a3daf8fe4b 160000
--- a/libR-sys
+++ b/libR-sys
@@ -1 +1 @@
-Subproject commit 4728e8520cf2b733bb3502862e4f26bd46930c2c
+Subproject commit a3daf8fe4bae3d919d9b7082c644b6bcaa78dccf