diff --git a/README.md b/README.md
index 1e35ea3..b9fcbda 100644
--- a/README.md
+++ b/README.md
@@ -8,13 +8,14 @@ send them to [ntfy](https://ntfy.sh/) push notifications
 Configuration is done with environment variables.
 
 
-| Variable     | Description                  | Example                |
-|--------------|------------------------------|------------------------|
-| HTTP_ADDRESS | Adress to listen on          | `localhost`            |
-| HTTP_PORT    | Port to listen on            | `8080`                 |
-| NTFY_TOPIC   | ntfy topic to send to        | `https://ntfy.sh/test` |
-| NTFY_USER    | ntfy user for basic auth     | `myuser`               |
-| NTFY_PASS    | ntfy password for basic auth | `supersecret`          |
+| Variable      | Description                  | Example                |
+|---------------|------------------------------|------------------------|
+| HTTP_ADDRESS  | Adress to listen on          | `localhost`            |
+| HTTP_PORT     | Port to listen on            | `8080`                 |
+| NTFY_TOPIC    | ntfy topic to send to        | `https://ntfy.sh/test` |
+| NTFY_USER     | ntfy user for basic auth     | `myuser`               |
+| NTFY_PASS     | ntfy password for basic auth | `supersecret`          |
+| NTFY_PRIORITY | Priority of ntfy messages    | `high`                 |
 
 # Nix
 
@@ -60,6 +61,7 @@ services.alertmanager-ntfy = {
 	httpAddress = "localhost";
 	httpPort = "9999";
 	ntfyTopic = "https://ntfy.sh/test";
+	ntfyPriority = "high";
 	envFile = "/var/src/secrets/alertmanager-ntfy/envfile";
 };
 ```
diff --git a/main.go b/main.go
index 46017f6..c16ca88 100644
--- a/main.go
+++ b/main.go
@@ -39,8 +39,15 @@ func WebhookHandler(w http.ResponseWriter, r *http.Request) {
 			return
 		}
 
+		// Title
 		req.Header.Set("Title", fmt.Sprintf("[%s] %s", alert.Labels["instance"], alert.Labels["alertname"]))
-		// req.Header.Set("Priority", "urgent") //TODO broken on ios
+
+		// Priority (if set)
+		if priority := os.Getenv("NTFY_PRIORITY"); len(strings.TrimSpace(os.Getenv(priority))) != 0 {
+			req.Header.Set("Priority", priority)
+		}
+
+		// Tags
 		req.Header.Set("Tags", strings.Join(maps.Values(alert.Labels), ","))
 
 		req.SetBasicAuth(os.Getenv("NTFY_USER"), os.Getenv("NTFY_PASS"))
diff --git a/module.nix b/module.nix
index 45a95a9..634daf4 100644
--- a/module.nix
+++ b/module.nix
@@ -29,6 +29,13 @@ in {
       example = "https://ntfy.sh/test";
     };
 
+    ntfyPriority = mkOption {
+      type = types.str;
+      default = "";
+      description = "ntfy.sh message priority";
+      example = "urgent";
+    };
+
     envFile = mkOption {
       type = types.str;
       default = null;
@@ -64,6 +71,7 @@ in {
           "HTTP_ADDRESS='${cfg.httpAddress}'"
           "HTTP_PORT='${cfg.httpPort}'"
           "NTFY_TOPIC='${cfg.ntfyTopic}'"
+          "NTFY_PRIORITY='${cfg.ntfyPriority}'"
         ];
 
         User = "alertmanager-ntfy";