diff --git a/mbed-os.lib b/mbed-os.lib
index df97fc3..9a97f6c 100644
--- a/mbed-os.lib
+++ b/mbed-os.lib
@@ -1 +1 @@
-https://github.com/ARMmbed/mbed-os/
+https://github.com/ARMmbed/mbed-os/#64853b354fa188bfe8dbd51e78771213c7ed37f7