diff --git a/BLE_BatteryLevel/mbed-os.lib b/BLE_BatteryLevel/mbed-os.lib
index f4fee62b..198caf5d 100644
--- a/BLE_BatteryLevel/mbed-os.lib
+++ b/BLE_BatteryLevel/mbed-os.lib
@@ -1 +1 @@
-https://github.com/ARMmbed/mbed-os/#0fdfcf7350896a9c0b57c4a18237677abfe25f1a
+https://github.com/ARMmbed/mbed-os/#949cb49ab0a144da0e3b04b6af46db0cd2a20d75
diff --git a/BLE_Beacon/mbed-os.lib b/BLE_Beacon/mbed-os.lib
index f4fee62b..198caf5d 100644
--- a/BLE_Beacon/mbed-os.lib
+++ b/BLE_Beacon/mbed-os.lib
@@ -1 +1 @@
-https://github.com/ARMmbed/mbed-os/#0fdfcf7350896a9c0b57c4a18237677abfe25f1a
+https://github.com/ARMmbed/mbed-os/#949cb49ab0a144da0e3b04b6af46db0cd2a20d75
diff --git a/BLE_Button/mbed-os.lib b/BLE_Button/mbed-os.lib
index f4fee62b..198caf5d 100644
--- a/BLE_Button/mbed-os.lib
+++ b/BLE_Button/mbed-os.lib
@@ -1 +1 @@
-https://github.com/ARMmbed/mbed-os/#0fdfcf7350896a9c0b57c4a18237677abfe25f1a
+https://github.com/ARMmbed/mbed-os/#949cb49ab0a144da0e3b04b6af46db0cd2a20d75
diff --git a/BLE_GAP/mbed-os.lib b/BLE_GAP/mbed-os.lib
index f4fee62b..198caf5d 100644
--- a/BLE_GAP/mbed-os.lib
+++ b/BLE_GAP/mbed-os.lib
@@ -1 +1 @@
-https://github.com/ARMmbed/mbed-os/#0fdfcf7350896a9c0b57c4a18237677abfe25f1a
+https://github.com/ARMmbed/mbed-os/#949cb49ab0a144da0e3b04b6af46db0cd2a20d75
diff --git a/BLE_GAPButton/mbed-os.lib b/BLE_GAPButton/mbed-os.lib
index f4fee62b..198caf5d 100644
--- a/BLE_GAPButton/mbed-os.lib
+++ b/BLE_GAPButton/mbed-os.lib
@@ -1 +1 @@
-https://github.com/ARMmbed/mbed-os/#0fdfcf7350896a9c0b57c4a18237677abfe25f1a
+https://github.com/ARMmbed/mbed-os/#949cb49ab0a144da0e3b04b6af46db0cd2a20d75
diff --git a/BLE_GattClient/mbed-os.lib b/BLE_GattClient/mbed-os.lib
index f4fee62b..198caf5d 100644
--- a/BLE_GattClient/mbed-os.lib
+++ b/BLE_GattClient/mbed-os.lib
@@ -1 +1 @@
-https://github.com/ARMmbed/mbed-os/#0fdfcf7350896a9c0b57c4a18237677abfe25f1a
+https://github.com/ARMmbed/mbed-os/#949cb49ab0a144da0e3b04b6af46db0cd2a20d75
diff --git a/BLE_GattServer/mbed-os.lib b/BLE_GattServer/mbed-os.lib
index f4fee62b..198caf5d 100644
--- a/BLE_GattServer/mbed-os.lib
+++ b/BLE_GattServer/mbed-os.lib
@@ -1 +1 @@
-https://github.com/ARMmbed/mbed-os/#0fdfcf7350896a9c0b57c4a18237677abfe25f1a
+https://github.com/ARMmbed/mbed-os/#949cb49ab0a144da0e3b04b6af46db0cd2a20d75
diff --git a/BLE_HeartRate/mbed-os.lib b/BLE_HeartRate/mbed-os.lib
index f4fee62b..198caf5d 100644
--- a/BLE_HeartRate/mbed-os.lib
+++ b/BLE_HeartRate/mbed-os.lib
@@ -1 +1 @@
-https://github.com/ARMmbed/mbed-os/#0fdfcf7350896a9c0b57c4a18237677abfe25f1a
+https://github.com/ARMmbed/mbed-os/#949cb49ab0a144da0e3b04b6af46db0cd2a20d75
diff --git a/BLE_LED/mbed-os.lib b/BLE_LED/mbed-os.lib
index f4fee62b..198caf5d 100644
--- a/BLE_LED/mbed-os.lib
+++ b/BLE_LED/mbed-os.lib
@@ -1 +1 @@
-https://github.com/ARMmbed/mbed-os/#0fdfcf7350896a9c0b57c4a18237677abfe25f1a
+https://github.com/ARMmbed/mbed-os/#949cb49ab0a144da0e3b04b6af46db0cd2a20d75
diff --git a/BLE_LEDBlinker/mbed-os.lib b/BLE_LEDBlinker/mbed-os.lib
index f4fee62b..198caf5d 100644
--- a/BLE_LEDBlinker/mbed-os.lib
+++ b/BLE_LEDBlinker/mbed-os.lib
@@ -1 +1 @@
-https://github.com/ARMmbed/mbed-os/#0fdfcf7350896a9c0b57c4a18237677abfe25f1a
+https://github.com/ARMmbed/mbed-os/#949cb49ab0a144da0e3b04b6af46db0cd2a20d75
diff --git a/BLE_Privacy/mbed-os.lib b/BLE_Privacy/mbed-os.lib
index f4fee62b..198caf5d 100644
--- a/BLE_Privacy/mbed-os.lib
+++ b/BLE_Privacy/mbed-os.lib
@@ -1 +1 @@
-https://github.com/ARMmbed/mbed-os/#0fdfcf7350896a9c0b57c4a18237677abfe25f1a
+https://github.com/ARMmbed/mbed-os/#949cb49ab0a144da0e3b04b6af46db0cd2a20d75
diff --git a/BLE_SM/mbed-os.lib b/BLE_SM/mbed-os.lib
index f4fee62b..198caf5d 100644
--- a/BLE_SM/mbed-os.lib
+++ b/BLE_SM/mbed-os.lib
@@ -1 +1 @@
-https://github.com/ARMmbed/mbed-os/#0fdfcf7350896a9c0b57c4a18237677abfe25f1a
+https://github.com/ARMmbed/mbed-os/#949cb49ab0a144da0e3b04b6af46db0cd2a20d75
diff --git a/BLE_Thermometer/mbed-os.lib b/BLE_Thermometer/mbed-os.lib
index f4fee62b..198caf5d 100644
--- a/BLE_Thermometer/mbed-os.lib
+++ b/BLE_Thermometer/mbed-os.lib
@@ -1 +1 @@
-https://github.com/ARMmbed/mbed-os/#0fdfcf7350896a9c0b57c4a18237677abfe25f1a
+https://github.com/ARMmbed/mbed-os/#949cb49ab0a144da0e3b04b6af46db0cd2a20d75