diff --git a/nix/systems/packages.nix b/nix/systems/packages.nix
index a3a7337..b57e006 100644
--- a/nix/systems/packages.nix
+++ b/nix/systems/packages.nix
@@ -41,6 +41,7 @@
     # usability
     bat
     btop
+    cmatrix
     unstable.bitwarden
     unstable.clipse
     firefox