diff --git a/Cargo.toml b/Cargo.toml
index 0db6956..504c73b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -10,12 +10,12 @@ crate-type = ["cdylib", "rlib"]
 [dependencies]
 cfg-if = "1"
 anyhow = "1.0"
-bytemuck = { version = "1.4", features = [ "derive" ] }
+bytemuck = { version = "1.9.1", features = [ "derive" ] }
 cgmath = "0.18"
 env_logger = "0.9"
 pollster = "0.2"
 log = "0.4"
-rayon = "1.4"
+rayon = "1.5.3"
 tobj = { version = "3.2", features = ["async"]}
 wgpu = { version = "0.13"}
 winit = "0.26"