diff --git a/Cargo.toml b/Cargo.toml
index 36f5dd9..bae823c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -19,7 +19,7 @@ slab = "0.4.2"
 hashbrown = "0.16"
 parry3d-f64 = { version = "0.25.0", optional = true }
 lru-slab = { version = "0.1.1", optional = true }
-fearless_simd = { version = "0.3.0", optional = true }
+fearless_simd = { version = "0.4.0", optional = true }
 
 [dev-dependencies]
 criterion = "0.8.0"