diff --git a/README.md b/README.md
index 7644a9b..1d556e3 100644
--- a/README.md
+++ b/README.md
@@ -84,6 +84,11 @@ The HDMI firewall is available on [tindie](https://www.tindie.com/products/cuvoo
 
 The schematic pdf and board gerbers are available as [release](https://git.cuvoodoo.info/kingkevin/board/releases/tag/hdmi_firewall_v2).
 
+firmware
+========
+
+The firmware and sources for the HDMI firewall embedded programmer are available [here](https://git.cuvoodoo.info/kingkevin/stm8s/src/branch/hdmi_firewall).
+
 troubleshooting
 ===============