diff --git a/esp8266-driver.lib b/esp8266-driver.lib
index 0068000..95ec091 100644
--- a/esp8266-driver.lib
+++ b/esp8266-driver.lib
@@ -1 +1 @@
-https://github.com/armmbed/esp8266-driver/#979e9f3058384136531b42f0cc13a7d64c368c9a
+https://github.com/armmbed/esp8266-driver/#5a88ff9c75e34d65e359d7f239bacc456824ed0e
diff --git a/mbed-os.lib b/mbed-os.lib
index 77acfe7..380f61e 100644
--- a/mbed-os.lib
+++ b/mbed-os.lib
@@ -1 +1 @@
-https://github.com/ARMmbed/mbed-os/#62f8b922b420626514fd4690107aff4188469833
+https://github.com/ARMmbed/mbed-os/#50bd61a4a72332baa6b1bac6caccb44dc5423309