diff --git a/mbed-os.lib b/mbed-os.lib
index 9a97f6c..41e3ee6 100644
--- a/mbed-os.lib
+++ b/mbed-os.lib
@@ -1 +1 @@
-https://github.com/ARMmbed/mbed-os/#64853b354fa188bfe8dbd51e78771213c7ed37f7
+https://github.com/ARMmbed/mbed-os/#e642a7d8b3609a7c903e042cd772f00a5d299088