diff --git a/Cargo.toml b/Cargo.toml
index 700d5f5..0ca4007 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -10,17 +10,17 @@ edition = "2018"
 music = ["serenity/voice"]
 
 [dependencies]
-serenity = "0.9"
+serenity = "0.10"
 toml = "0.5"
 serde = { version = "1.0", features = ["derive"] }
-reqwest = "0.10"
-rand = "0.7"
+reqwest = "0.11"
+rand = "0.8"
 lazy_static = "1.4"
 async-trait = "0.1"
-tokio = { version = "0.2", features = ["full"] }
+tokio = { version = "1.0", features = ["full"] }
 futures = "0.3"
 chrono = "0.4"
 serde_json = "1.0"
 log = "0.4"
-log4rs = "0.13"
+log4rs = "1.0"
 ctrlc = "3.1"
\ No newline at end of file
diff --git a/src/commands/roulette.rs b/src/commands/roulette.rs
index b91b473..110c286 100644
--- a/src/commands/roulette.rs
+++ b/src/commands/roulette.rs
@@ -25,7 +25,7 @@ struct Roulette;
 async fn shot(ctx: &Context, msg: &Message, args: Args) -> CommandResult {
     let _message = args.message().trim_end();
     if _message == "shot" || _message == "" {
-        if rand::thread_rng().gen_range(0, 6) == 0 {
+        if rand::thread_rng().gen_range(0..6) == 0 {
             api::send_reply(ctx, &msg, "💥").await?;
         } else {
             api::send_reply(&ctx, &msg, format!("Click ! Reloading")).await?;
@@ -57,7 +57,7 @@ async fn _reload(ctx: &Context, msg: &Message) -> commands::Result<()> {
     let bullets_map = data
         .get_mut::<BulletsContainer>()
         .expect("Expected CommandCounter in TypeMap.");
-    bullets_map.insert(msg.author.id.0, (5, rand::thread_rng().gen_range(0, 6)));
+    bullets_map.insert(msg.author.id.0, (5, rand::thread_rng().gen_range(0..6)));
     msg.react(ctx, ReactionType::Unicode(String::from("✅")))
         .await?;
     Ok(())
@@ -72,7 +72,7 @@ async fn check(ctx: &Context, msg: &Message) -> CommandResult {
         .expect("Expected CommandCounter in TypeMap.");
     let bullets = bullets_map
         .entry(msg.author.id.0)
-        .or_insert((5, rand::thread_rng().gen_range(0, 6)));
+        .or_insert((5, rand::thread_rng().gen_range(0..6)));
     msg.channel_id.say(ctx, format!("Because you are a little shit, you open your barrel and you see that the bullet was at the {} position", bullet_to_str(bullets.1 + 1))).await?;
     debug!("Bullets Map : {:?}", bullets_map);
     Ok(())
@@ -127,10 +127,10 @@ async fn _kick(ctx: &Context, msg: &Message) -> CommandResult {
                 .expect("Expected CommandCounter in TypeMap.");
             let bullets = bullets_map
                 .entry(msg.author.id.0)
-                .or_insert((5, rand::thread_rng().gen_range(0, 6)));
+                .or_insert((5, rand::thread_rng().gen_range(0..6)));
             if bullets.0 == bullets.1 {
                 api::send_reply(ctx, &msg, "💥").await?;
-                *bullets = (5, rand::thread_rng().gen_range(0, 6));
+                *bullets = (5, rand::thread_rng().gen_range(0..6));
 
                 guild_id
                     .member(&ctx.http, &msg.author)
diff --git a/src/main.rs b/src/main.rs
index 11af12c..05befc2 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -171,45 +171,6 @@ async fn main() -> IoResult<()> {
 
 struct Messages {}
 
-impl Messages {
-    /*async fn _reaction_add(
-        &self,
-        ctx: Context,
-        reaction: Reaction,
-    ) -> Result<(), Box<dyn std::error::Error>> {
-        // TODO
-        let message: Message = reaction.message(&ctx.http).await?;
-        if message.is_own(&ctx).await && message.content.starts_with("Do you want to take the gun")
-        {
-            debugln!("My own garbage !");
-            let user = reaction.user(&ctx.http).await?;
-            if user == message.mentions[1] {
-                message.delete(&ctx.http).await?;
-                if reaction.emoji
-                    == serenity::model::channel::ReactionType::Unicode(String::from("✅"))
-                {
-                    let mut data = ctx.data.write().await;
-                    let bullets_map = data
-                        .get_mut::<BulletsContainer>()
-                        .expect("Expected CommandCounter in TypeMap.");
-                    if bullets_map.contains_key(&message.mentions[0].id.0) {
-                        let bullet_count =
-                            bullets_map.remove(&message.mentions[0].id.0).unwrap_or(6);
-                        bullets_map.insert(message.mentions[1].id.0, bullet_count);
-                        message.channel_id.say(&ctx, "Done").await?;
-                    } else {
-                        message
-                            .channel_id
-                            .say(&ctx, "Error : Your gun is empty")
-                            .await?;
-                    }
-                }
-            }
-        }
-        Ok(())
-    }*/
-}
-
 #[async_trait]
 impl EventHandler for Messages {
     async fn ready(&self, ctx: Context, ready: Ready) {
@@ -225,9 +186,9 @@ impl EventHandler for Messages {
             ctx_clone
                 .set_presence(Some(act), OnlineStatus::Online)
                 .await;
-            tokio::time::delay_for(delay).await;
+            tokio::time::sleep(delay).await;
         }
-    }
+    }   
 
     async fn message(&self, _ctx: Context, new_message: Message) {
         if unsafe { LOG_ATTACHMENTS } && !new_message.attachments.is_empty() {