diff --git a/flake.lock b/flake.lock
index 1db5d8a..8397e70 100644
--- a/flake.lock
+++ b/flake.lock
@@ -7,11 +7,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1765480374,
-        "narHash": "sha256-HlbvQAqLx7WqZFFQZ8nu5UUJAVlXiV/kqKbyueA8srw=",
+        "lastModified": 1765682243,
+        "narHash": "sha256-yeCxFV/905Wr91yKt5zrVvK6O2CVXWRMSrxqlAZnLp0=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "39cb677ed9e908e90478aa9fe5f3383dfc1a63f3",
+        "rev": "58bf3ecb2d0bba7bdf363fc8a6c4d49b4d509d03",
         "type": "github"
       },
       "original": {
@@ -38,11 +38,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1765186076,
-        "narHash": "sha256-hM20uyap1a0M9d344I692r+ik4gTMyj60cQWO+hAYP8=",
+        "lastModified": 1765472234,
+        "narHash": "sha256-9VvC20PJPsleGMewwcWYKGzDIyjckEz8uWmT0vCDYK0=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "addf7cf5f383a3101ecfba091b98d0a1263dc9b8",
+        "rev": "2fbfb1d73d239d2402a8fe03963e37aab15abe8b",
         "type": "github"
       },
       "original": {
@@ -54,11 +54,11 @@
     },
     "nixpkgs-stable": {
       "locked": {
-        "lastModified": 1765311797,
-        "narHash": "sha256-mSD5Ob7a+T2RNjvPvOA1dkJHGVrNVl8ZOrAwBjKBDQo=",
+        "lastModified": 1765608474,
+        "narHash": "sha256-9Wx53UK0z8Di5iesJID0tS1dRKwGxI4i7tsSanOHhF0=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "09eb77e94fa25202af8f3e81ddc7353d9970ac1b",
+        "rev": "28bb483c11a1214a73f9fd2d9928a6e2ea86ec71",
         "type": "github"
       },
       "original": {
diff --git a/nixos/configuration.nix b/nixos/configuration.nix
index 7866d89..5dcb434 100644
--- a/nixos/configuration.nix
+++ b/nixos/configuration.nix
@@ -21,6 +21,8 @@
   networking.hostName = "TARS"; 
   networking.networkmanager.enable = true; 
   networking.firewall.checkReversePath = "loose";
+  networking.firewall.allowedTCPPorts = [ 53317 ];
+  networking.firewall.allowedUDPPorts = [ 53317 ];
 
   time.timeZone = "Europe/Paris";
 
diff --git a/nixos/pkgs.nix b/nixos/pkgs.nix
index 499ebc1..94adb8a 100644
--- a/nixos/pkgs.nix
+++ b/nixos/pkgs.nix
@@ -20,6 +20,7 @@
     typst
     tinymist
     ffmpeg
+    localsend
 
     # Rust toolchain
     cargo