diff --git a/README.md b/README.md
index e846741..d45c3e2 100644
--- a/README.md
+++ b/README.md
@@ -6,6 +6,7 @@ A version of the Lisp programming language for boards based on the ARM processor
 * Adafruit Metro M4, ItsyBitsy M4, Feather M4, and Grand Central M4.
 * Adafruit PyBadge and PyGamer.
 * Adafruit CLUE and ItsyBitsy nRF52840.
+* Raspberry Pi Pico.
 * BBC Micro Bit.
 * Maxim MAX32620FTHR.
 * Teensy 4.0/4.1.