diff --git a/home/lyc/configurations/aplax/default.nix b/home/lyc/configurations/aplax/default.nix
index 153bf33..b592fb5 100644
--- a/home/lyc/configurations/aplax/default.nix
+++ b/home/lyc/configurations/aplax/default.nix
@@ -56,6 +56,8 @@
     (androidenv.composeAndroidPackages {
       platformToolsVersion = "35.0.2";
     }).platform-tools
+
+    mtr
   ];
 
   home.sessionVariables = {