diff --git a/platformio.ini b/platformio.ini
index 673298d..df86568 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -9,7 +9,7 @@
 ; https://docs.platformio.org/page/projectconf.html
 
 [env]
-platform = espressif32
+platform = espressif32 @ 3.0.0
 framework = arduino
 
 monitor_speed = 115200