diff --git a/secret/hosts/adsb-antenna.nix b/secret/hosts/adsb-antenna.nix
index 15e14b9..e5ad588 100644
Binary files a/secret/hosts/adsb-antenna.nix and b/secret/hosts/adsb-antenna.nix differ
diff --git a/secret/hosts/sail.nix b/secret/hosts/sail.nix
index 048879a..2f5e3c0 100644
Binary files a/secret/hosts/sail.nix and b/secret/hosts/sail.nix differ
diff --git a/system/hosts/adsb-antenna.nix b/system/hosts/adsb-antenna.nix
index 1d27423..1d4b8b4 100644
--- a/system/hosts/adsb-antenna.nix
+++ b/system/hosts/adsb-antenna.nix
@@ -14,7 +14,7 @@ in
 
     ../nixos/git.nix
 
-    ../nixos/arion.nix
+    (import ../nixos/arion.nix (args // { inherit secret; }))
     ../../container/adsb
   ];
 
diff --git a/system/hosts/sail.nix b/system/hosts/sail.nix
index d31475f..8af7628 100644
--- a/system/hosts/sail.nix
+++ b/system/hosts/sail.nix
@@ -39,7 +39,7 @@ in
 
     (import ../nixos/tailscale.nix (args // { inherit secret; }))
 
-    ../nixos/arion.nix
+    (import ../nixos/arion.nix (args // { inherit secret; }))
     ../../container/webserver
     ../../container/matrix
     ../../container/proxitok
diff --git a/system/nixos/arion.nix b/system/nixos/arion.nix
index 790ccc3..b3fbde3 100644
--- a/system/nixos/arion.nix
+++ b/system/nixos/arion.nix
@@ -1,4 +1,4 @@
-{ pkgs, ... }:
+{ pkgs, secret, ... }:
 
 {
   environment.systemPackages = [
@@ -22,6 +22,8 @@
         environment = {
           WATCHTOWER_POLL_INTERVAL = "28800";
           WATCHTOWER_LABEL_ENABLE = "true";
+          WATCHTOWER_NOTIFICATIONS = "shoutrrr";
+          WATCHTOWER_NOTIFICATION_URL = secret.watchtower.ntfyUrl;
         };
         volumes = [
           "/var/run/docker.sock:/var/run/docker.sock"