diff --git a/BLE_BatteryLevel/mbed-os.lib b/BLE_BatteryLevel/mbed-os.lib
index b26b57fb..45ecb096 100644
--- a/BLE_BatteryLevel/mbed-os.lib
+++ b/BLE_BatteryLevel/mbed-os.lib
@@ -1 +1 @@
-https://github.com/ARMmbed/mbed-os/#c9e63f14085f5751ff5ead79a7c0382d50a813a2
+https://github.com/ARMmbed/mbed-os/#8828635da469162cf2854b5287561c663fb96e72
diff --git a/BLE_Beacon/mbed-os.lib b/BLE_Beacon/mbed-os.lib
index b26b57fb..45ecb096 100644
--- a/BLE_Beacon/mbed-os.lib
+++ b/BLE_Beacon/mbed-os.lib
@@ -1 +1 @@
-https://github.com/ARMmbed/mbed-os/#c9e63f14085f5751ff5ead79a7c0382d50a813a2
+https://github.com/ARMmbed/mbed-os/#8828635da469162cf2854b5287561c663fb96e72
diff --git a/BLE_Button/mbed-os.lib b/BLE_Button/mbed-os.lib
index b26b57fb..45ecb096 100644
--- a/BLE_Button/mbed-os.lib
+++ b/BLE_Button/mbed-os.lib
@@ -1 +1 @@
-https://github.com/ARMmbed/mbed-os/#c9e63f14085f5751ff5ead79a7c0382d50a813a2
+https://github.com/ARMmbed/mbed-os/#8828635da469162cf2854b5287561c663fb96e72
diff --git a/BLE_EddystoneObserver/mbed-os.lib b/BLE_EddystoneObserver/mbed-os.lib
index b26b57fb..45ecb096 100644
--- a/BLE_EddystoneObserver/mbed-os.lib
+++ b/BLE_EddystoneObserver/mbed-os.lib
@@ -1 +1 @@
-https://github.com/ARMmbed/mbed-os/#c9e63f14085f5751ff5ead79a7c0382d50a813a2
+https://github.com/ARMmbed/mbed-os/#8828635da469162cf2854b5287561c663fb96e72
diff --git a/BLE_EddystoneService/mbed-os.lib b/BLE_EddystoneService/mbed-os.lib
index b26b57fb..45ecb096 100644
--- a/BLE_EddystoneService/mbed-os.lib
+++ b/BLE_EddystoneService/mbed-os.lib
@@ -1 +1 @@
-https://github.com/ARMmbed/mbed-os/#c9e63f14085f5751ff5ead79a7c0382d50a813a2
+https://github.com/ARMmbed/mbed-os/#8828635da469162cf2854b5287561c663fb96e72
diff --git a/BLE_GAPButton/mbed-os.lib b/BLE_GAPButton/mbed-os.lib
index b26b57fb..45ecb096 100644
--- a/BLE_GAPButton/mbed-os.lib
+++ b/BLE_GAPButton/mbed-os.lib
@@ -1 +1 @@
-https://github.com/ARMmbed/mbed-os/#c9e63f14085f5751ff5ead79a7c0382d50a813a2
+https://github.com/ARMmbed/mbed-os/#8828635da469162cf2854b5287561c663fb96e72
diff --git a/BLE_HeartRate/mbed-os.lib b/BLE_HeartRate/mbed-os.lib
index b26b57fb..45ecb096 100644
--- a/BLE_HeartRate/mbed-os.lib
+++ b/BLE_HeartRate/mbed-os.lib
@@ -1 +1 @@
-https://github.com/ARMmbed/mbed-os/#c9e63f14085f5751ff5ead79a7c0382d50a813a2
+https://github.com/ARMmbed/mbed-os/#8828635da469162cf2854b5287561c663fb96e72
diff --git a/BLE_LED/mbed-os.lib b/BLE_LED/mbed-os.lib
index b26b57fb..45ecb096 100644
--- a/BLE_LED/mbed-os.lib
+++ b/BLE_LED/mbed-os.lib
@@ -1 +1 @@
-https://github.com/ARMmbed/mbed-os/#c9e63f14085f5751ff5ead79a7c0382d50a813a2
+https://github.com/ARMmbed/mbed-os/#8828635da469162cf2854b5287561c663fb96e72
diff --git a/BLE_LEDBlinker/mbed-os.lib b/BLE_LEDBlinker/mbed-os.lib
index b26b57fb..45ecb096 100644
--- a/BLE_LEDBlinker/mbed-os.lib
+++ b/BLE_LEDBlinker/mbed-os.lib
@@ -1 +1 @@
-https://github.com/ARMmbed/mbed-os/#c9e63f14085f5751ff5ead79a7c0382d50a813a2
+https://github.com/ARMmbed/mbed-os/#8828635da469162cf2854b5287561c663fb96e72
diff --git a/BLE_Thermometer/mbed-os.lib b/BLE_Thermometer/mbed-os.lib
index b26b57fb..45ecb096 100644
--- a/BLE_Thermometer/mbed-os.lib
+++ b/BLE_Thermometer/mbed-os.lib
@@ -1 +1 @@
-https://github.com/ARMmbed/mbed-os/#c9e63f14085f5751ff5ead79a7c0382d50a813a2
+https://github.com/ARMmbed/mbed-os/#8828635da469162cf2854b5287561c663fb96e72