diff --git a/src/game/runtime.rs b/src/game/runtime.rs
index ab393ad..fa828f0 100644
--- a/src/game/runtime.rs
+++ b/src/game/runtime.rs
@@ -78,6 +78,6 @@ pub fn zoom_camera(
         MouseScrollUnit::Line => 0.1,
         MouseScrollUnit::Pixel => 0.001,
     };
-    projection.scale = (projection.scale - scroll.delta.y * scroll_type_multiplier).clamp(0.1, 2.5);
+    projection.scale = (projection.scale - scroll.delta.y * scroll_type_multiplier).clamp(0.1, 4.0);
     Ok(())
 }