diff --git a/NFC_EEPROM/mbed-os.lib b/NFC_EEPROM/mbed-os.lib
index 53a35da..decc852 100644
--- a/NFC_EEPROM/mbed-os.lib
+++ b/NFC_EEPROM/mbed-os.lib
@@ -1 +1 @@
-https://github.com/ARMmbed/mbed-os/#610e35ddc6d59f153173c1e7b2748cf96d6c9bcd
+https://github.com/ARMmbed/mbed-os/#e1bea44212b8275f7d8ce7253e758c2e25c57482
diff --git a/NFC_SmartPoster/mbed-os.lib b/NFC_SmartPoster/mbed-os.lib
index 53a35da..decc852 100644
--- a/NFC_SmartPoster/mbed-os.lib
+++ b/NFC_SmartPoster/mbed-os.lib
@@ -1 +1 @@
-https://github.com/ARMmbed/mbed-os/#610e35ddc6d59f153173c1e7b2748cf96d6c9bcd
+https://github.com/ARMmbed/mbed-os/#e1bea44212b8275f7d8ce7253e758c2e25c57482