diff --git a/hosts/leon/default.nix b/hosts/leon/default.nix
index 8eba7880..e2fc50a3 100644
--- a/hosts/leon/default.nix
+++ b/hosts/leon/default.nix
@@ -52,7 +52,7 @@
   # List packages installed in system profile. To search, run:
   # $ nix search wget
   environment.systemPackages = with pkgs; [
-     wget vim python3Full   python310Packages.pip nmap htop wireguard-tools docker-compose
+     wget vim python3Full   python310Packages.pip python310Packages.flask nmap htop wireguard-tools docker-compose
    ];
 
   virtualisation.docker.enable = true;