diff --git a/README.md b/README.md
index fc5fe0f..1926927 100644
--- a/README.md
+++ b/README.md
@@ -35,6 +35,7 @@ Configuration makes use of these things, just to record but not mandatory :
 * [GTK Arc Theme](https://github.com/horst3180/arc-theme)
 * Fonts : Noto Sans, Noto Emoji, DejaVu Sans, MaterialIcons, Symbola
 * xdotool, xsel
+* gnupg
 
 ### What is this, Chosto ?