diff --git a/src/main.rs b/src/main.rs
index d069954..b608122 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -2,6 +2,7 @@ pub const BRIGHTNESS: &str =
     "$@B%8&WM#*oahkbdpqwmZO0QLCJUYXzcvunxrjft/\\|()1{}[]?-_+~<>i!lI;:,\"^`'. ";
 pub const HEIGHT: u32 = 25; // Max: 35
 pub const WIDTH: u32 = 25; // Max: 145
+pub const FPS: u32 = 10;
 pub const K1: u32 = 2;
 pub const K2: u32 = 3;
 pub const G: u32 = 35;
@@ -19,6 +20,6 @@ fn main() {
         print!("{esc}[2J{esc}[1;1H", esc = 27 as char);
         display_grid(&grid);
         update_grid(&mut grid);
-        thread::sleep(Duration::from_millis(100));
+        thread::sleep(Duration::from_millis(1000 / (FPS as u64)));
     }
 }