diff --git a/README.md b/README.md
index 868de23..9332493 100644
--- a/README.md
+++ b/README.md
@@ -27,6 +27,7 @@ Supported GAL chips:
 * Lattice GAL22V10B, GAL22V10D
 * National GAL16V8
 * Lattice GAL20V8B (no adapter needed)
+* Lattice GAL20XV10B
 
 **This is a new Afterburner design with variable programming voltage control and with single ZIF socket for 20 and 24 pin GAL chips.**
 The PC software is backward compatible with the older Afterburner desgin/boards.