diff --git a/circup/shared.py b/circup/shared.py
index 7bd3c2f..222e87b 100644
--- a/circup/shared.py
+++ b/circup/shared.py
@@ -22,10 +22,16 @@
 DATA_DIR = appdirs.user_data_dir(appname="circup", appauthor="adafruit")
 
 #: Module formats list (and the other form used in github files)
-PLATFORMS = {"py": "py", "8mpy": "8.x-mpy", "9mpy": "9.x-mpy", "10mpy": "10.x-mpy"}
+PLATFORMS = {
+    "py": "py",
+    "8mpy": "8.x-mpy",
+    "9mpy": "9.x-mpy",
+    "10mpy": "10.x-mpy",
+    "11mpy": "11.x-mpy",
+}
 
 #: CircuitPython platforms that are currently supported.
-SUPPORTED_PLATFORMS = ["9mpy", "10mpy"]
+SUPPORTED_PLATFORMS = ["9mpy", "10mpy", "11mpy"]
 
 #: Timeout for requests calls like get()
 REQUESTS_TIMEOUT = 30