diff --git a/README.md b/README.md
index 75ecec8c..1330b5d9 100644
--- a/README.md
+++ b/README.md
@@ -38,7 +38,7 @@ Actions to be taken for *ESP8266_RTOS_SDK v3.0* include the following items:
 
 v5.2.0
 
-* [Windows](https://dl.espressif.com/dl/xtensa-lx106-elf-win32-1.22.0-100-ge567ec7-5.2.0.tar.gz)
+* [Windows](https://dl.espressif.com/dl/xtensa-lx106-elf-win32-1.22.0-100-ge567ec7-5.2.0.zip)
 * [Mac](https://dl.espressif.com/dl/xtensa-lx106-elf-macos-1.22.0-100-ge567ec7-5.2.0.tar.gz)
 * [Linux(64)](https://dl.espressif.com/dl/xtensa-lx106-elf-linux64-1.22.0-100-ge567ec7-5.2.0.tar.gz)
 * [Linux(32)](https://dl.espressif.com/dl/xtensa-lx106-elf-linux32-1.22.0-100-ge567ec7-5.2.0.tar.gz)