diff --git a/readme.md b/readme.md
index b033ad9..d4777ce 100644
--- a/readme.md
+++ b/readme.md
@@ -2,4 +2,5 @@ Scripts used in Feb 2023 to do change some CD file formats. They were original 7
 
 I took some inspiration from 
 - [reddit](https://www.reddit.com/r/RetroPie/comments/wgq4eu/comment/ij9krit/)
-- [nickheyer/CHDconvert](https://github.com/nickheyer/CHDconvert)
\ No newline at end of file
+- [nickheyer/CHDconvert](https://github.com/nickheyer/CHDconvert)
+- [sirconan/gdi-conversion](https://github.com/sirconan/gdi-conversion)
\ No newline at end of file