diff --git a/Cargo.lock b/Cargo.lock
index 1ad7505..cf802a3 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -85,9 +85,9 @@ dependencies = [
 
 [[package]]
 name = "bytemuck"
-version = "1.20.0"
+version = "1.21.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8b37c88a63ffd85d15b406896cc343916d7cf57838a847b3a6f2ca5d39a5695a"
+checksum = "ef657dfab802224e671f5818e9a4935f9b1957ed18e58292690cc39e7a4092a3"
 dependencies = [
  "bytemuck_derive",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index bcac1a4..1eb3637 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -58,7 +58,7 @@ embedded-hal = "0.2.7"
 bitbybit = "1.3.3"
 arbitrary-int = "1.3.0"
 lm75 = "0.2"
-bytemuck = { version = "1.20.0", features = [
+bytemuck = { version = "1.21.0", features = [
 	"derive",
 ], default-features = false }
 # Note: Keep in-sync with `py/setup.py`