diff --git a/main.lua b/main.lua
index 5e3cc84..50c97cc 100644
--- a/main.lua
+++ b/main.lua
@@ -11,6 +11,8 @@ function love.load()
     shipRadius = 30
 
     bullets = {}
+    bulletTimerLimit = 0.5
+    bulletTimer = bulletTimerLimit
 end
 
 function love.update(dt)
@@ -43,16 +45,18 @@ function love.update(dt)
             bullet.y = (bullet.y + math.sin(bullet.angle) * bulletSpeed * dt) % arenaHeight
         end
     end
-end
 
-function love.keypressed(key)
-    if key == 's' then
-        table.insert(bullets, {
-            x = shipX + math.cos(shipAngle) * shipRadius,
-            y = shipY + math.sin(shipAngle) * shipRadius,
-            angle = shipAngle,
-            timeLeft = 4,
-        })
+    bulletTimer = bulletTimer + dt
+    if love.keyboard.isDown('s') then
+        if bulletTimer >= bulletTimerLimit then
+            bulletTimer = 0
+            table.insert(bullets, {
+                x = shipX + math.cos(shipAngle) * shipRadius,
+                y = shipY + math.sin(shipAngle) * shipRadius,
+                angle = shipAngle,
+                timeLeft = 4,
+            })
+        end
     end
 end