diff --git a/mbed-os.lib b/mbed-os.lib
index 12b3706cf..1304d68e5 100644
--- a/mbed-os.lib
+++ b/mbed-os.lib
@@ -1 +1 @@
-https://github.com/ARMmbed/mbed-os/#9c7ca98ccf26a239f118a31c62e09e1e34614ca0
+https://github.com/ARMmbed/mbed-os/#e39199afa2dae10cfb91aa2aefa827d7946aecde