diff --git a/nix/devShells.nix b/nix/devShells.nix
index b86a82a..a94d136 100644
--- a/nix/devShells.nix
+++ b/nix/devShells.nix
@@ -67,6 +67,7 @@
       # hedgedoc-cli
 
       xwayland
+      pulsemixer
 
       (pkgs.writeShellScriptBin "rflk" ''
         exec nix run nixpkgs#$@