diff --git a/environment.nix b/environment.nix
index f1a7785..69338b9 100644
--- a/environment.nix
+++ b/environment.nix
@@ -20,6 +20,7 @@
       git gitAndTools.gitSVN gitAndTools.tig
       gnumake
       gnupg
+      gpm           # prise en charge de la souris en console
       htop
       ncdu
       nmap