diff --git a/nixos/configuration.nix b/nixos/configuration.nix
index dbc8bc13..cd7cc96b 100644
--- a/nixos/configuration.nix
+++ b/nixos/configuration.nix
@@ -195,6 +195,7 @@ in
     valgrind
     wget
     wmctrl
+    xorg.xev
     zsh
 
     # Nix