diff --git a/Cargo.toml b/Cargo.toml
index 522deb4..06f4392 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -5,6 +5,9 @@ edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
+[[bin]]
+name = "update_groups"
+
 [dependencies]
 # for the ldap
 ldap3="0.11.1"
diff --git a/src/bin/update_groups.rs b/src/bin/update_groups.rs
new file mode 100644
index 0000000..56c0247
--- /dev/null
+++ b/src/bin/update_groups.rs
@@ -0,0 +1,62 @@
+use std::collections::HashSet;
+use sqlx::{Pool, Sqlite};
+use std::env;
+use ldap3::{LdapConn, Mod};
+use tide::prelude::*;
+use skynet_ldap_server::{Config, get_config};
+
+/*
+https://ticketbooking.dublincoach.ie/MobileAPI/MobileBooking/GetTrackToStageName?FromStage=University%20of%20Limerick
+https://ticketbooking.dublincoach.ie/MobileAPI/MobileBooking/GetJourneyList?FromStageName=University%20of%20Limerick&ToStageName=Red%20Cow%20LUAS&JourneyType=0&RouteID=0&JrEndStageID=0&IsStageSelection=1
+
+
+From
+    University of Limerick
+To
+    Dublin City
+    Ennis
+    Killarney
+    Tralee
+ */
+
+#[async_std::main]
+async fn main() -> tide::Result<()> {
+    let config = get_config();
+
+    //update_users(&config).await;
+    update_admin(&config).await?;
+    
+    Ok(())
+}
+
+
+//async fn update_users(config: &Config) {
+    
+//}
+fn uid_to_dn(uid: &str) -> String{
+    format!("uid={},ou=users,dc=skynet,dc=ie", uid)
+}
+
+async fn update_admin(config: &Config) -> tide::Result<()>{
+    let mut ldap = LdapConn::new(&config.ldap_host)?;
+
+    // use the admin account
+    ldap.simple_bind(&config.ldap_admin, &config.ldap_admin_pw)?.success()?;
+    
+    // read from config file
+    let users = vec!["silver", "evanc", "eoghanconlon73", "pio"];
+    
+    let dn_skynet_admins = "cn=skynet-admins,ou=groups,dc=skynet,dc=ie";
+    let skynet_admins = users.clone().into_iter().map(|uid| uid_to_dn(uid)).collect();
+    let mods = vec![Mod::Replace("member".to_string(), skynet_admins)];
+    ldap.modify(&dn_skynet_admins, mods)?.success()?;
+    
+    let dn_skynet_admins_linux = "cn=skynet-admins-linux,ou=groups,dc=skynet,dc=ie";
+    let skynet_admins_linux = users.clone().into_iter().map(|uid| uid.to_string()).collect();
+    let mods = vec![Mod::Replace("memberUid".to_string(), skynet_admins_linux)];
+    ldap.modify(&dn_skynet_admins_linux, mods)?.success()?;
+
+    ldap.unbind()?;
+    
+    Ok(())
+}
\ No newline at end of file
diff --git a/src/lib.rs b/src/lib.rs
index b54c601..587dce1 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -88,9 +88,9 @@ pub struct State {
 
 #[derive(Debug, Clone)]
 pub struct Config {
-    ldap_host: String,
-    ldap_admin: String,
-    ldap_admin_pw: String,
+    pub ldap_host: String,
+    pub ldap_admin: String,
+    pub ldap_admin_pw: String,
     pub database: String,
     pub host_port: String,
 }