diff --git a/mbed-os.lib b/mbed-os.lib
index bec66bc..9a97f6c 100644
--- a/mbed-os.lib
+++ b/mbed-os.lib
@@ -1 +1 @@
-https://github.com/ARMmbed/mbed-os/#5d7f5bd82b5cc9114818ec2f708b6a1c4ec6206d
+https://github.com/ARMmbed/mbed-os/#64853b354fa188bfe8dbd51e78771213c7ed37f7