diff --git a/Cargo.lock b/Cargo.lock
index e739d22..fca99a9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -740,7 +740,7 @@ checksum = "d75a2a4b1b190afb6f5425f10f6a8f959d2ea0b9c2b1d79553551850539e4674"
 
 [[package]]
 name = "kosyncrs"
-version = "1.1.1"
+version = "2.0.0"
 dependencies = [
  "axum",
  "serde",
diff --git a/src/main.rs b/src/main.rs
index 99373e6..bbf116f 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -39,12 +39,15 @@ pub struct GetProgress {
     timestamp: i64,
 }
 
+const VERSION: &str = env!("CARGO_PKG_VERSION");
+
 #[tokio::main]
 async fn main() {
     let pg_url: String = env::var("PG_URL")
         .ok()
         .and_then(|v| v.parse().ok())
         .unwrap();
+    let listen_port: String = env::var("PORT").ok().and_then(|v| v.parse().ok()).unwrap();
 
     let db_pool = PgPoolOptions::new()
         .max_connections(64)
@@ -61,10 +64,12 @@ async fn main() {
         .route("/syncs/progress", put(update_progress))
         .route("/syncs/progress/{document}", get(get_progress))
         .route("/healthcheck", get(healthcheck))
+        .route("/version", get(version))
         .with_state(db_pool);
 
-    // run it with hyper on localhost:3003
-    let listener = tokio::net::TcpListener::bind("127.0.0.1:3003")
+    let mut bind_with = "127.0.0.1:".to_owned();
+    bind_with += &listen_port;
+    let listener = tokio::net::TcpListener::bind(bind_with)
         .await
         .unwrap();
     axum::serve(listener, app).await.unwrap();
@@ -74,6 +79,10 @@ async fn root() -> &'static str {
     "KOreader sync server"
 }
 
+async fn version() -> &'static str {
+    VERSION
+}
+
 async fn create_user(
     State(db_pool): State<PgPool>,
     Json(payload): Json<User>,
diff --git a/systemd/kosyncrs.service b/systemd/kosyncrs.service
index b405332..1809f9a 100644
--- a/systemd/kosyncrs.service
+++ b/systemd/kosyncrs.service
@@ -12,6 +12,7 @@ Group=users
 WorkingDirectory=/home/myuser
 ExecStart=/usr/local/bin/kosyncrs
 Environment="PG_URL=postgresql://kosync:password@localhost/kosync"
+Environment="PORT=3003"
 Restart=always
 
 [Install]