diff --git a/circup/shared.py b/circup/shared.py
index 6fe73bd..4d33808 100644
--- a/circup/shared.py
+++ b/circup/shared.py
@@ -21,7 +21,7 @@
 DATA_DIR = appdirs.user_data_dir(appname="circup", appauthor="adafruit")
 
 #: Module formats list (and the other form used in github files)
-PLATFORMS = {"py": "py", "9mpy": "9.x-mpy"}
+PLATFORMS = {"py": "py", "9mpy": "9.x-mpy", "10mpy": "10.x-mpy"}
 
 #: Timeout for requests calls like get()
 REQUESTS_TIMEOUT = 30