diff --git a/adafruit_platformdetect/constants/boards.py b/adafruit_platformdetect/constants/boards.py
index 32b6f5eb..6cefb628 100644
--- a/adafruit_platformdetect/constants/boards.py
+++ b/adafruit_platformdetect/constants/boards.py
@@ -442,6 +442,7 @@
     RASPBERRY_PI_CM4: (
         "a03140",
         "b03140",
+        "c03140",
     ),
 }