diff --git a/README.md b/README.md
index 8532b672..43d57f9d 100644
--- a/README.md
+++ b/README.md
@@ -33,10 +33,10 @@ Actions to be taken for *ESP8266_RTOS_SDK v3.0* include the following items:
 
 You can get toolchain from arduio firstly.
 
-* [Windows](https://dl.espressif.com/dl/xtensa-lx106-elf-win32-1.22.0-88-gde0bdc1-4.8.5.tar.gz)
-* [Mac](https://dl.espressif.com/dl/xtensa-lx106-elf-osx-1.22.0-88-gde0bdc1-4.8.5.tar.gz)
-* [Linux(64)](https://dl.espressif.com/dl/xtensa-lx106-elf-linux64-1.22.0-88-gde0bdc1-4.8.5.tar.gz)
-* [Linux(32)](https://dl.espressif.com/dl/xtensa-lx106-elf-linux32-1.22.0-88-gde0bdc1-4.8.5.tar.gz)
+* [Windows](https://dl.espressif.com/dl/xtensa-lx106-elf-win32-1.22.0-92-g8facf4c-5.2.0.tar.gz)
+* [Mac](https://dl.espressif.com/dl/xtensa-lx106-elf-osx-1.22.0-92-g8facf4c-5.2.0.tar.gz)
+* [Linux(64)](https://dl.espressif.com/dl/xtensa-lx106-elf-linux64-1.22.0-92-g8facf4c-5.2.0.tar.gz)
+* [Linux(32)](https://dl.espressif.com/dl/xtensa-lx106-elf-linux32-1.22.0-92-g8facf4c-5.2.0.tar.gz)
 
 ## Get ESP8266_RTOS_SDK
 
diff --git a/components/esp8266/Makefile.projbuild b/components/esp8266/Makefile.projbuild
index 073bed18..b3b2e9ff 100644
--- a/components/esp8266/Makefile.projbuild
+++ b/components/esp8266/Makefile.projbuild
@@ -1,5 +1,5 @@
-SUPPORTED_TOOLCHAIN_COMMIT_DESC := 1.22.0-88-gde0bdc1
-SUPPORTED_TOOLCHAIN_GCC_VERSIONS := 4.8.5
+SUPPORTED_TOOLCHAIN_COMMIT_DESC := 1.22.0-92-g8facf4c
+SUPPORTED_TOOLCHAIN_GCC_VERSIONS := 5.2.0
 
 ifdef CONFIG_ESP8266_LEGACY