diff --git a/libraries/SoftwareSerial b/libraries/SoftwareSerial
index 457849f478..b178c0ff02 160000
--- a/libraries/SoftwareSerial
+++ b/libraries/SoftwareSerial
@@ -1 +1 @@
-Subproject commit 457849f4787b33927ca211b1353420311c21e5a7
+Subproject commit b178c0ff023ff87a4754636b624a6d18e6036a07