diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1425446..1a2a15d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## Unreleased
 
+### Added
+- Add configuration variable to set Librespot AP port
+
 ### Fixed
 - All requests are correctly proxied when the relevant environment variables are set
 
diff --git a/doc/users.md b/doc/users.md
index 5e45362..e2a5c1b 100644
--- a/doc/users.md
+++ b/doc/users.md
@@ -266,6 +266,7 @@ Possible configuration values are:
 | `[notification_format]`         | Set the text displayed in notifications<sup>[4]</sup>          | See [notification formatting](#notification-formatting)                               |                     |
 | `[theme]`                       | Custom theme                                                   | See [custom theme](#theming)                                                          |                     |
 | `[keybindings]`                 | Custom keybindings                                             | See [custom keybindings](#custom-keybindings)                                         |                     |
+| `ap-port`                       | Set ap-port for librespot (for restrictive firewalls)          | `80`, `443`, `4070`                                                                   |                     |
 
 1. If built with the `cover` feature.
 2. By default the statusbar will show a play icon when a track is playing and
diff --git a/src/authentication.rs b/src/authentication.rs
index 34ee144..4f86d3c 100644
--- a/src/authentication.rs
+++ b/src/authentication.rs
@@ -45,7 +45,7 @@ pub fn get_credentials(configuration: &Config) -> Result<RespotCredentials, Stri
         }
     };
 
-    while let Err(error) = Spotify::test_credentials(credentials.clone()) {
+    while let Err(error) = Spotify::test_credentials(configuration, credentials.clone()) {
         let error_msg = format!("{error}");
         credentials = credentials_prompt(Some(error_msg))?;
     }
diff --git a/src/config.rs b/src/config.rs
index 51e6732..11a9ec2 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -102,6 +102,7 @@ pub struct ConfigValues {
     pub library_tabs: Option<Vec<LibraryTab>>,
     pub hide_display_names: Option<bool>,
     pub credentials: Option<Credentials>,
+    pub ap_port: Option<u16>,
 }
 
 /// Commands used to obtain user credentials automatically.
diff --git a/src/spotify.rs b/src/spotify.rs
index fab2da4..df4fbfb 100644
--- a/src/spotify.rs
+++ b/src/spotify.rs
@@ -128,7 +128,7 @@ impl Spotify {
     }
 
     /// Generate the librespot [SessionConfig] used when creating a [Session].
-    pub fn session_config() -> SessionConfig {
+    pub fn session_config(cfg: &config::Config) -> SessionConfig {
         let mut session_config = SessionConfig::default();
         match env::var("http_proxy") {
             Ok(proxy) => {
@@ -137,12 +137,18 @@ impl Spotify {
             }
             Err(_) => debug!("No HTTP proxy set"),
         }
+        if let Some(ap_port) = cfg.values().ap_port {
+            session_config.ap_port = Some(ap_port)
+        }
         session_config
     }
 
     /// Test whether `credentials` are valid Spotify credentials.
-    pub fn test_credentials(credentials: Credentials) -> Result<Session, SessionError> {
-        let config = Self::session_config();
+    pub fn test_credentials(
+        cfg: &config::Config,
+        credentials: Credentials,
+    ) -> Result<Session, SessionError> {
+        let config = Self::session_config(cfg);
         ASYNC_RUNTIME
             .get()
             .unwrap()
@@ -172,7 +178,7 @@ impl Spotify {
         )
         .expect("Could not create cache");
         debug!("opening spotify session");
-        let session_config = Self::session_config();
+        let session_config = Self::session_config(cfg);
         Session::connect(session_config, credentials, Some(cache), true)
             .await
             .map(|r| r.0)