diff --git a/lib/src/models.rs b/lib/src/models.rs
index 10eb4eb..b4ef8c9 100644
--- a/lib/src/models.rs
+++ b/lib/src/models.rs
@@ -1,4 +1,5 @@
 use serde::{Deserialize, Serialize};
+use std::sync::{Arc, Mutex};
 
 /// Games update
 #[derive(Serialize, Deserialize, Debug)]
@@ -58,13 +59,12 @@ pub struct NewGameRequest {
 }
 
 /// New game request structure
-use std::pin::Pin;
 #[derive(Debug)]
-pub struct NewGameManifest<'user> {
+pub struct NewGameManifest {
     /// Game name
     pub name: String,
     /// Game host
-    pub host: &'user Pin<Box<User>>,
+    pub host: Arc<Mutex<User>>,
 }
 
 /// Game join request structure
diff --git a/server/src/api.rs b/server/src/api.rs
index 8539882..2aa681f 100644
--- a/server/src/api.rs
+++ b/server/src/api.rs
@@ -12,6 +12,7 @@ use futures::{SinkExt, StreamExt};
 use lib::models::*;
 use rand::seq::SliceRandom;
 use serde_json::to_string;
+use std::sync::Mutex;
 use std::{net::SocketAddr, sync::Arc};
 pub mod message_handler;
 use crate::message_handler::*;
@@ -72,7 +73,7 @@ async fn handle_new_user(
     addr: &SocketAddr,
 ) -> Result<()> {
     // Create
-    let new_user = Box::pin(generate_new_user(&state));
+    let new_user = Arc::new(Mutex::new(generate_new_user(&state)));
     tracing::debug!("User created at ptr: {:p}", new_user);
     tracing::debug!("User borrowed ptr: {:p}", *&new_user);
 
@@ -122,9 +123,9 @@ fn generate_new_user(state: &Arc<AppState>) -> User {
 }
 
 /// Generate message to notify client of user changes
-fn client_self_user_update(new_user: &User) -> String {
+fn client_self_user_update(new_user: &Arc<Mutex<User>>) -> String {
     to_string::<UserUpdate>(&UserUpdate {
-        username: new_user.name.clone(),
+        username: new_user.lock().unwrap().name.clone(),
     })
     .unwrap()
 }
@@ -135,7 +136,7 @@ fn chat_meta_update(state: &Arc<AppState>) -> String {
     let mut names = vec![];
 
     for user in state.online_users.lock().unwrap().iter() {
-        names.push(user.1.name.clone());
+        names.push(user.1.lock().unwrap().name.clone());
     }
 
     to_string::<ChatUpdate>(&ChatUpdate {
@@ -178,7 +179,7 @@ fn games_update(state: &Arc<AppState>) -> String {
 fn announce_join(state: &Arc<AppState>, addr: &SocketAddr) -> String {
     let msg = format!(
         "{} joined.",
-        state.online_users.lock().unwrap().get(addr).unwrap().name
+        state.online_users.lock().unwrap().get(addr).unwrap().lock().unwrap().name
     );
 
     tracing::debug!("{}", &msg);
diff --git a/server/src/api/message_handler.rs b/server/src/api/message_handler.rs
index 05b1dab..aa787c0 100644
--- a/server/src/api/message_handler.rs
+++ b/server/src/api/message_handler.rs
@@ -57,10 +57,10 @@ fn handle_new_game(
     let binding = state.online_users.lock().unwrap();
     let user = binding.get(&addr).unwrap();
 
-    tracing::debug!("{:#?} from {}", new_game, user.name);
+    tracing::debug!("{:#?} from {}", new_game, user.lock().unwrap().name);
     let manifest = NewGameManifest {
         name: new_game.name,
-        host: user,
+        host: user.clone(),
     };
 
     // create game
@@ -90,7 +90,7 @@ fn handle_chat_message(
     tx: &Sender<String>,
     addr: SocketAddr,
 ) -> Result<()> {
-    let msg = format! {"{0}: {1}", state.online_users.lock().unwrap().get(&addr).unwrap().name, chat_message.text};
+    let msg = format! {"{0}: {1}", state.online_users.lock().unwrap().get(&addr).unwrap().lock().unwrap().name, chat_message.text};
     tracing::debug!("{msg}");
     tx.send(to_string::<ChatMessage>(&ChatMessage { text: msg })?)?;
 
@@ -110,6 +110,8 @@ fn handle_user_log_in(
         .unwrap()
         .get(&addr)
         .unwrap()
+        .lock()
+        .unwrap()
         .name
         .clone();
     let new_name = user_log_in.username.clone();
@@ -144,6 +146,8 @@ fn handle_user_log_in(
             .unwrap()
             .get_mut(&addr)
             .unwrap()
+            .lock()
+            .unwrap()
             .change_name(user_log_in.username);
 
         let msg = format! {
@@ -183,7 +187,15 @@ fn handle_close(
     if let Some(cf) = close_frame {
         tracing::debug!(
             "Close received from {0} with code: {1} and reason: {2}",
-            state.online_users.lock().unwrap().get(&addr).unwrap().name,
+            state
+                .online_users
+                .lock()
+                .unwrap()
+                .get(&addr)
+                .unwrap()
+                .lock()
+                .unwrap()
+                .name,
             cf.code,
             cf.reason
         )
@@ -194,7 +206,15 @@ fn handle_close(
     let msg = ChatMessage {
         text: format!(
             "{0} left.",
-            state.online_users.lock().unwrap().get(&addr).unwrap().name
+            state
+                .online_users
+                .lock()
+                .unwrap()
+                .get(&addr)
+                .unwrap()
+                .lock()
+                .unwrap()
+                .name
         ),
     };
 
@@ -206,6 +226,8 @@ fn handle_close(
         .unwrap()
         .get(&addr)
         .unwrap()
+        .lock()
+        .unwrap()
         .name
         .clone();
 
diff --git a/server/src/main.rs b/server/src/main.rs
index 511a91d..1be48b4 100644
--- a/server/src/main.rs
+++ b/server/src/main.rs
@@ -8,7 +8,6 @@ use std::{
     fs::{read_to_string, File},
     io::{BufRead, BufReader},
     net::SocketAddr,
-    pin::Pin,
     sync::{Arc, Mutex},
 };
 use tokio::sync::broadcast;
@@ -44,8 +43,8 @@ fn load_names(path: &str) -> Result<Vec<String>> {
 // Our shared state
 pub struct AppState {
     // We require unique usernames. This tracks which usernames have been taken.
-    online_users: Mutex<HashMap<SocketAddr, Pin<Box<User>>>>,
-    offline_users: Mutex<HashMap<String, Pin<Box<User>>>>,
+    online_users: Mutex<HashMap<SocketAddr, Arc<Mutex<User>>>>,
+    offline_users: Mutex<HashMap<String, Arc<Mutex<User>>>>,
     // Channel used to send messages to all connected clients.
     tx: broadcast::Sender<String>,
     // Master card decks
@@ -71,8 +70,8 @@ async fn main() -> Result<()> {
     // Set up application state for use with with_state().
     // Main Broadcast Channel
     let (tx, _rx) = broadcast::channel(100);
-    let online_users = Mutex::new(HashMap::<SocketAddr, Pin<Box<User>>>::new());
-    let offline_users = Mutex::new(HashMap::<String, Pin<Box<User>>>::new());
+    let online_users = Mutex::new(HashMap::<SocketAddr, Arc<Mutex<User>>>::new());
+    let offline_users = Mutex::new(HashMap::<String, Arc<Mutex<User>>>::new());
     let all_cards = load_cards_from_json("data/cah-cards-full.json")?;
     let games = Mutex::new(vec![]);
     let first_names = load_names("data/first.txt")?;