diff --git a/mbed-os.lib b/mbed-os.lib
index bbd65ef..198caf5 100644
--- a/mbed-os.lib
+++ b/mbed-os.lib
@@ -1 +1 @@
-https://github.com/ARMmbed/mbed-os/#f8b140f8d7cb226e41486c5df66ac4f3ce699219
+https://github.com/ARMmbed/mbed-os/#949cb49ab0a144da0e3b04b6af46db0cd2a20d75