diff --git a/README.md b/README.md
index 4313297..790f385 100644
--- a/README.md
+++ b/README.md
@@ -10,6 +10,7 @@ This is work in progress!
 
 Softcore system-on-chip on the Lattice ECP5 Versa board, built with a 100% Verilog/VHDL-free and 100% open source toolchain.
 
+* Everything written in nMigen (https://github.com/m-labs/nmigen/).
 * RISC-V 32-bit pipelined core (Minerva by Lambdaconcept).
 * 100MHz clock frequency.
 * Runs a Rust "hello world" program.