diff --git a/Cargo.lock b/Cargo.lock
index 6d71beec..f0f2c825 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -381,9 +381,9 @@ checksum = "14c189c53d098945499cdfa7ecc63567cf3886b3332b312a5b4585d8d3a6a610"
 
 [[package]]
 name = "bytes"
-version = "1.3.0"
+version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dfb24e866b15a1af2a1b663f10c6b6b8f397a84aadb828f12e5b289ec23a3a3c"
+checksum = "89b2fd2a0dcf38d7971e2194b6b6eebab45ae01067456a7fd93d5547a61b70be"
 dependencies = [
  "serde",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index 6c5fdb04..6c2794ac 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -123,7 +123,7 @@ serde = { version = "1.0.124", features = ["derive"] }
 serde_json = "1.0.64"
 tokio = { version = "1.18", features = ["macros", "rt-multi-thread"] }
 hex = "0.4.3"
-bytes = "1.3.0"
+bytes = "1.4.0"
 
 # profile for the wasm example
 [profile.release.package.ethers-wasm]
diff --git a/ethers-core/Cargo.toml b/ethers-core/Cargo.toml
index f03ae067..42a6ac85 100644
--- a/ethers-core/Cargo.toml
+++ b/ethers-core/Cargo.toml
@@ -29,7 +29,7 @@ chrono = { version = "0.4", default-features = false }
 serde = { version = "1.0.124", default-features = false, features = ["derive"] }
 serde_json = { version = "1.0.64", default-features = false, features = ["arbitrary_precision"] }
 thiserror = { version = "1.0", default-features = false }
-bytes = { version = "1.3.0", features = ["serde"] }
+bytes = { version = "1.4.0", features = ["serde"] }
 hex = { version = "0.4.3", default-features = false, features = ["std"] }
 once_cell = { version = "1.17.0", optional = true }
 unicode-xid = "0.2.4"
diff --git a/ethers-providers/Cargo.toml b/ethers-providers/Cargo.toml
index cb76aa32..5f4102d0 100644
--- a/ethers-providers/Cargo.toml
+++ b/ethers-providers/Cargo.toml
@@ -42,7 +42,7 @@ enr = { version = "0.7.0", default-features = false, features = ["k256", "serde"
 tracing = { version = "0.1.37", default-features = false }
 tracing-futures = { version = "0.2.5", default-features = false, features = ["std-future"] }
 
-bytes = { version = "1.3.0", default-features = false, optional = true }
+bytes = { version = "1.4.0", default-features = false, optional = true }
 once_cell = "1.17.0"
 hashers = "1.0.1"