diff --git a/Cargo.lock b/Cargo.lock
index 0fd2820e8..bd9728d21 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -959,9 +959,9 @@ checksum = "5ce89b21cab1437276d2650d57e971f9d548a2d9037cc231abdc0562b97498ce"
 
 [[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 6d52bab7f..d4000473f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -77,7 +77,7 @@ async_fn_traits = { version = "0.1.1", default-features = false }
 base64 = { version = "0.22.1", default-features = false }
 bitflags = { version = "2.6.0", default-features = false }
 bitvec = { version = "1.0.0", default-features = false, features = ["alloc"] }
-bytemuck = { version = "1.19.0", default-features = false, features = ["derive", "must_cast"] }
+bytemuck = { version = "1.21.0", default-features = false, features = ["derive", "must_cast"] }
 cfg-if = { version = "1.0.0", default-features = false }
 # When upgrading clap, beware text output changes causing integration tests to fail.
 clap = { version = "4.2.4", default-features = false, features = ["cargo", "deprecated", "derive", "help", "std", "suggestions", "usage", "wrap_help"] }