diff --git a/tools/windows/tool_setup/idf_tool_setup.iss b/tools/windows/tool_setup/idf_tool_setup.iss
index 25a997069..b61dc8058 100644
--- a/tools/windows/tool_setup/idf_tool_setup.iss
+++ b/tools/windows/tool_setup/idf_tool_setup.iss
@@ -5,7 +5,7 @@
 #include <idp.iss>
 
 #define MyAppName "ESP-IDF Tools"
-#define MyAppVersion "2.0"
+#define MyAppVersion "2.1"
 #define MyAppPublisher "Espressif Systems (Shanghai) Co. Ltd."
 #define MyAppURL "https://github.com/espressif/esp-idf"