diff --git a/IOT/platformio.ini b/IOT/platformio.ini
index 82e4637..c06a691 100644
--- a/IOT/platformio.ini
+++ b/IOT/platformio.ini
@@ -36,6 +36,8 @@ monitor_flags =
 
 ; librairies
 lib_deps =
+    bportaluri/WiFiEsp@^2.2.2 ; gestion des commande 'AT' de l'esp01
+    arduino-libraries/Arduino_JSON@^0.2.0 ; gestion des json
 ;    example:
 ;    erropix/ESP32 AnalogWrite@^0.2