diff --git a/.env.template b/.env.template
index d2eb768e15abbab0c5321865d127dae7725de19c..3c7e7d1ead536f1cf35c825bedd4c6becbef2653 100644
--- a/.env.template
+++ b/.env.template
@@ -335,6 +335,9 @@
 ## Allow a burst of requests of up to this size, while maintaining the average indicated by `ADMIN_RATELIMIT_SECONDS`.
 # ADMIN_RATELIMIT_MAX_BURST=3
 
+## Set the lifetime of admin sessions to this value (in minutes).
+# ADMIN_SESSION_LIFETIME=20
+
 ## Yubico (Yubikey) Settings
 ## Set your Client ID and Secret Key for Yubikey OTP
 ## You can generate it here: https://upgrade.yubico.com/getapikey/
diff --git a/src/api/admin.rs b/src/api/admin.rs
index f22d3bc2f6d34bbe038a1cfe6795e215c8ac390c..8bfc1f21882a0fdbda305acd2b0e9742a98c8f64 100644
--- a/src/api/admin.rs
+++ b/src/api/admin.rs
@@ -183,7 +183,7 @@ fn post_admin_login(data: Form<LoginForm>, cookies: &CookieJar<'_>, ip: ClientIp
 
         let cookie = Cookie::build(COOKIE_NAME, jwt)
             .path(admin_path())
-            .max_age(rocket::time::Duration::minutes(20))
+            .max_age(rocket::time::Duration::minutes(CONFIG.admin_session_lifetime()))
             .same_site(SameSite::Strict)
             .http_only(true)
             .finish();
diff --git a/src/auth.rs b/src/auth.rs
index 03f14cb8895500f24beb8ea89c55f8d3e673f8d8..380c6a735a3632b74e808530d65df63cbcc52a7f 100644
--- a/src/auth.rs
+++ b/src/auth.rs
@@ -241,7 +241,7 @@ pub fn generate_admin_claims() -> BasicJwtClaims {
     let time_now = Utc::now().naive_utc();
     BasicJwtClaims {
         nbf: time_now.timestamp(),
-        exp: (time_now + Duration::minutes(20)).timestamp(),
+        exp: (time_now + Duration::minutes(CONFIG.admin_session_lifetime())).timestamp(),
         iss: JWT_ADMIN_ISSUER.to_string(),
         sub: "admin_panel".to_string(),
     }
diff --git a/src/config.rs b/src/config.rs
index fa53c55bd5bda0949607cef277759db4e4755956..f3736a1fc5e517f30388fe833ec26ebe8740551c 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -581,6 +581,9 @@ make_config! {
         /// Max burst size for admin login requests |> Allow a burst of requests of up to this size, while maintaining the average indicated by `admin_ratelimit_seconds`
         admin_ratelimit_max_burst:     u32, false, def, 3;
 
+        /// Admin session lifetime |> Set the lifetime of admin sessions to this value (in minutes).
+        admin_session_lifetime:        i64, true,  def, 20;
+
         /// Enable groups (BETA!) (Know the risks!) |> Enables groups support for organizations (Currently contains known issues!).
         org_groups_enabled:     bool,   false,  def,    false;
     },