diff --git a/README.md b/README.md
index 322a23b..3642e41 100644
--- a/README.md
+++ b/README.md
@@ -66,6 +66,7 @@ Repo mirrors:
 - [Alrisha](https://git.sr.ht/~fabrixxm/alrisha) (QML) - QML-based Gemini client.
 - [Castor](https://git.sr.ht/~julienxx/castor) (Rust) - graphical Gemini client using GTK.
 - [Fafi](https://git.sr.ht/~soapdog/fafi-browser) (Racket) - graphical Gemini browser written in Racket.
+- [Fossil](https://github.com/koyuspace/fossil) (Vala) - GTK3 Gemini browser written in Vala for desktop and mobile.
 - [Lagrange](https://git.skyjake.fi/skyjake/lagrange) (C) - desktop GUI client with inline image viewing, multiple tabs, bookmarks and more.
 - [Moonlander](https://sr.ht/~admicos/moonlander/) (Rust) - the fanciest Gemini client in the entire solar system.
 - [Kristall](https://github.com/MasterQ32/kristall) (C++) - graphical Gopher and Gemini client using QT.