diff --git a/nixos/modules/services/misc/home-assistant.nix b/nixos/modules/services/misc/home-assistant.nix
index cc113ca2d0c1..d63f38e93b8e 100644
--- a/nixos/modules/services/misc/home-assistant.nix
+++ b/nixos/modules/services/misc/home-assistant.nix
@@ -251,6 +251,7 @@ in {
       home = cfg.configDir;
       createHome = true;
       group = "hass";
+      extraGroups = [ "dialout" ];
       uid = config.ids.uids.hass;
     };