diff --git a/Cargo.lock b/Cargo.lock
index a34e43fe..f2ed7a62 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -96,9 +96,9 @@ checksum = "23b62fc65de8e4e7f52534fb52b0f3ed04746ae267519eef2a83941e8085068b"
 
 [[package]]
 name = "arrayvec"
-version = "0.7.1"
+version = "0.7.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "be4dc07131ffa69b8072d35f5007352af944213cde02545e2103680baed38fcd"
+checksum = "8da52d66c7071e2e3fa2a1e5c6d088fec47b593032b254f5e980de8ea54454d6"
 
 [[package]]
 name = "async-trait"
@@ -901,7 +901,7 @@ dependencies = [
 name = "ethers-core"
 version = "0.5.4"
 dependencies = [
- "arrayvec 0.7.1",
+ "arrayvec 0.7.2",
  "bincode",
  "bytes",
  "convert_case",
@@ -1830,7 +1830,7 @@ version = "2.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "373b1a4c1338d9cd3d1fa53b3a11bdab5ab6bd80a20f7f7becd76953ae2be909"
 dependencies = [
- "arrayvec 0.7.1",
+ "arrayvec 0.7.2",
  "bitvec 0.20.4",
  "byte-slice-cast",
  "impl-trait-for-tuples",
diff --git a/ethers-core/Cargo.toml b/ethers-core/Cargo.toml
index 8c763ec7..762190a9 100644
--- a/ethers-core/Cargo.toml
+++ b/ethers-core/Cargo.toml
@@ -12,7 +12,7 @@ keywords = ["ethereum", "web3", "celo", "ethers"]
 [dependencies]
 rlp = { version = "0.5.0", default-features = false }
 ethabi = { version = "15.0", default-features = false, features = ["full-serde", "rlp"] }
-arrayvec = { version = "0.7.1", default-features = false }
+arrayvec = { version = "0.7.2", default-features = false }
 rlp-derive = { version = "0.1.0", default-features = false }
 
 # crypto