diff --git a/libraries/SoftwareSerial b/libraries/SoftwareSerial
index b330eba900..d4ae180f33 160000
--- a/libraries/SoftwareSerial
+++ b/libraries/SoftwareSerial
@@ -1 +1 @@
-Subproject commit b330eba900d9f69b0c2310ba36192d0d14354510
+Subproject commit d4ae180f33347c851dc2e51ce1779f02b4d3fa11