diff --git a/platformio.ini b/platformio.ini
index 11c510d..430c4ad 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -139,8 +139,8 @@ monitor_speed = 115200
 
 [com]
 esp8266_platform = espressif8266@2.6.3
-esp32_platform = espressif32@3.1.1
-atmelavr_platform = atmelavr@3.2.0
+esp32_platform = espressif32@3.3.1
+atmelavr_platform = atmelavr@3.3.0
 
 [com-esp]
 lib_deps =