diff --git a/BLE_BatteryLevel/mbed-os.lib b/BLE_BatteryLevel/mbed-os.lib
index ef2aac43..4b67ec34 100644
--- a/BLE_BatteryLevel/mbed-os.lib
+++ b/BLE_BatteryLevel/mbed-os.lib
@@ -1 +1 @@
-https://github.com/ARMmbed/mbed-os/#f9ee4e849f8cbd64f1ec5fdd4ad256585a208360
+https://github.com/ARMmbed/mbed-os/#c05d72c3c005fbb7e92c3994c32bda45218ae7fe
diff --git a/BLE_Beacon/mbed-os.lib b/BLE_Beacon/mbed-os.lib
index ef2aac43..4b67ec34 100644
--- a/BLE_Beacon/mbed-os.lib
+++ b/BLE_Beacon/mbed-os.lib
@@ -1 +1 @@
-https://github.com/ARMmbed/mbed-os/#f9ee4e849f8cbd64f1ec5fdd4ad256585a208360
+https://github.com/ARMmbed/mbed-os/#c05d72c3c005fbb7e92c3994c32bda45218ae7fe
diff --git a/BLE_Button/mbed-os.lib b/BLE_Button/mbed-os.lib
index ef2aac43..4b67ec34 100644
--- a/BLE_Button/mbed-os.lib
+++ b/BLE_Button/mbed-os.lib
@@ -1 +1 @@
-https://github.com/ARMmbed/mbed-os/#f9ee4e849f8cbd64f1ec5fdd4ad256585a208360
+https://github.com/ARMmbed/mbed-os/#c05d72c3c005fbb7e92c3994c32bda45218ae7fe
diff --git a/BLE_GAPButton/mbed-os.lib b/BLE_GAPButton/mbed-os.lib
index ef2aac43..4b67ec34 100644
--- a/BLE_GAPButton/mbed-os.lib
+++ b/BLE_GAPButton/mbed-os.lib
@@ -1 +1 @@
-https://github.com/ARMmbed/mbed-os/#f9ee4e849f8cbd64f1ec5fdd4ad256585a208360
+https://github.com/ARMmbed/mbed-os/#c05d72c3c005fbb7e92c3994c32bda45218ae7fe
diff --git a/BLE_HeartRate/mbed-os.lib b/BLE_HeartRate/mbed-os.lib
index ef2aac43..4b67ec34 100644
--- a/BLE_HeartRate/mbed-os.lib
+++ b/BLE_HeartRate/mbed-os.lib
@@ -1 +1 @@
-https://github.com/ARMmbed/mbed-os/#f9ee4e849f8cbd64f1ec5fdd4ad256585a208360
+https://github.com/ARMmbed/mbed-os/#c05d72c3c005fbb7e92c3994c32bda45218ae7fe
diff --git a/BLE_LED/mbed-os.lib b/BLE_LED/mbed-os.lib
index ef2aac43..4b67ec34 100644
--- a/BLE_LED/mbed-os.lib
+++ b/BLE_LED/mbed-os.lib
@@ -1 +1 @@
-https://github.com/ARMmbed/mbed-os/#f9ee4e849f8cbd64f1ec5fdd4ad256585a208360
+https://github.com/ARMmbed/mbed-os/#c05d72c3c005fbb7e92c3994c32bda45218ae7fe
diff --git a/BLE_LEDBlinker/mbed-os.lib b/BLE_LEDBlinker/mbed-os.lib
index ef2aac43..4b67ec34 100644
--- a/BLE_LEDBlinker/mbed-os.lib
+++ b/BLE_LEDBlinker/mbed-os.lib
@@ -1 +1 @@
-https://github.com/ARMmbed/mbed-os/#f9ee4e849f8cbd64f1ec5fdd4ad256585a208360
+https://github.com/ARMmbed/mbed-os/#c05d72c3c005fbb7e92c3994c32bda45218ae7fe
diff --git a/BLE_Thermometer/mbed-os.lib b/BLE_Thermometer/mbed-os.lib
index ef2aac43..4b67ec34 100644
--- a/BLE_Thermometer/mbed-os.lib
+++ b/BLE_Thermometer/mbed-os.lib
@@ -1 +1 @@
-https://github.com/ARMmbed/mbed-os/#f9ee4e849f8cbd64f1ec5fdd4ad256585a208360
+https://github.com/ARMmbed/mbed-os/#c05d72c3c005fbb7e92c3994c32bda45218ae7fe