diff --git a/ggdt/src/graphics/bitmap/rgb/triangles.rs b/ggdt/src/graphics/bitmap/rgb/triangles.rs
index 584f376..973f91b 100644
--- a/ggdt/src/graphics/bitmap/rgb/triangles.rs
+++ b/ggdt/src/graphics/bitmap/rgb/triangles.rs
@@ -1,5 +1,5 @@
 use std::simd;
-use std::simd::{SimdFloat, SimdUint};
+use std::simd::prelude::{SimdFloat, SimdUint};
 
 use crate::graphics::{edge_function, per_pixel_triangle_2d, BlendFunction, RgbaBitmap, RGBA};
 use crate::math::Vector2;
diff --git a/ggdt/src/graphics/color.rs b/ggdt/src/graphics/color.rs
index 8133c37..cdc7a94 100644
--- a/ggdt/src/graphics/color.rs
+++ b/ggdt/src/graphics/color.rs
@@ -1,6 +1,6 @@
 use std::ops::{Mul, MulAssign};
 use std::simd;
-use std::simd::{SimdFloat, SimdUint};
+use std::simd::prelude::{SimdFloat, SimdUint};
 
 use byteorder::{ReadBytesExt, WriteBytesExt};
 
diff --git a/ggdt/src/math/mod.rs b/ggdt/src/math/mod.rs
index bca1e4b..282f4a2 100644
--- a/ggdt/src/math/mod.rs
+++ b/ggdt/src/math/mod.rs
@@ -1,6 +1,6 @@
 use std::ops::{Add, Div, Mul, Sub};
 use std::simd;
-use std::simd::{SimdFloat, SimdPartialOrd};
+use std::simd::prelude::{SimdFloat, SimdPartialOrd};
 
 mod circle;
 mod matrix3x3;