diff --git a/Cargo.lock b/Cargo.lock
index a66e87a6..a1289983 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -158,9 +158,9 @@ checksum = "22fb38fd6e62e4ceec8543db40ceb714454ff173451a0f2a6c8952fdf39a2d6c"
 
 [[package]]
 name = "bincode"
-version = "1.3.1"
+version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f30d3a39baa26f9651f17b375061f3233dde33424a8b72b0dbe93a68a0bc896d"
+checksum = "d175dfa69e619905c4c3cdb7c3c203fa3bdd5d51184e3afdb2742c0280493772"
 dependencies = [
  "byteorder",
  "serde",
@@ -246,9 +246,9 @@ checksum = "65c1bf4a04a88c54f589125563643d773f3254b5c38571395e2b591c693bbc81"
 
 [[package]]
 name = "byteorder"
-version = "1.4.2"
+version = "1.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ae44d1a3d5a19df61dd0c8beb138458ac2a53a7ac09eba97d55592540004306b"
+checksum = "08c48aae112d48ed9f069b33538ea9e3e90aa263cfa3d1c24309612b1f7472de"
 
 [[package]]
 name = "bytes"
diff --git a/ethers-core/Cargo.toml b/ethers-core/Cargo.toml
index 67b47ac8..d14a9c8d 100644
--- a/ethers-core/Cargo.toml
+++ b/ethers-core/Cargo.toml
@@ -41,7 +41,7 @@ funty = "=1.1.0"
 ethers = { version = "0.2", path = "../ethers" }
 
 serde_json = { version = "1.0.64", default-features = false }
-bincode = { version = "1.2.1", default-features = false }
+bincode = { version = "1.3.2", default-features = false }
 once_cell = { version = "1.7.0" }