diff --git a/Cargo.lock b/Cargo.lock
index 446c095..a890595 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -129,9 +129,9 @@ checksum = "14c189c53d098945499cdfa7ecc63567cf3886b3332b312a5b4585d8d3a6a610"
 
 [[package]]
 name = "bytes"
-version = "1.1.0"
+version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c4872d67bab6358e59559027aa3b9157c53d9358c51423c17554809a8858e0f8"
+checksum = "ec8a7b6a70fde80372154c65702f00a0f56f3e1c36abbc6c440484be248856db"
 
 [[package]]
 name = "cast"
diff --git a/Cargo.toml b/Cargo.toml
index 3b030d3..752a7da 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -34,7 +34,7 @@ ieee802154 = { version = "0.3.0" }
 log = "0.4.17"
 heapless = "0.7.10"
 rand_core = { version = "0.6.3", default-features = false, features = [ "getrandom" ] }
-bytes = { version = "1.0.1", default-features = false }
+bytes = { version = "1.2.1", default-features = false }
 byteorder = { version = "1.4.3", default-features = false }
 defmt = { version = "0.3.2", optional = true }
 bitflags = "1.2.1"