diff --git a/pytest-embedded-arduino/pytest_embedded_arduino/app.py b/pytest-embedded-arduino/pytest_embedded_arduino/app.py
index 1c0600da..3bac3d26 100644
--- a/pytest-embedded-arduino/pytest_embedded_arduino/app.py
+++ b/pytest-embedded-arduino/pytest_embedded_arduino/app.py
@@ -25,6 +25,7 @@ class ArduinoApp(App):
         'esp32': [0x1000, 0x8000, 0x10000],
         'esp32s2': [0x1000, 0x8000, 0x10000],
         'esp32c3': [0x0, 0x8000, 0x10000],
+        'esp32s3': [0x0, 0x8000, 0x10000],
     }
 
     def __init__(