diff --git a/Cargo.lock b/Cargo.lock
index efea7cbb..2b6e0dff 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2679,18 +2679,18 @@ dependencies = [
 
 [[package]]
 name = "num_enum"
-version = "0.5.7"
+version = "0.5.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cf5395665662ef45796a4ff5486c5d41d29e0c09640af4c5f17fd94ee2c119c9"
+checksum = "8d829733185c1ca374f17e52b762f24f535ec625d2cc1f070e34c8a9068f341b"
 dependencies = [
  "num_enum_derive",
 ]
 
 [[package]]
 name = "num_enum_derive"
-version = "0.5.7"
+version = "0.5.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3b0498641e53dd6ac1a4f22547548caa6864cc4933784319cd1775271c5a46ce"
+checksum = "2be1598bf1c313dcdd12092e3f1920f463462525a21b7b4e11b4168353d0123e"
 dependencies = [
  "proc-macro-crate",
  "proc-macro2",
diff --git a/ethers-core/Cargo.toml b/ethers-core/Cargo.toml
index e2513bbb..02c1fd9f 100644
--- a/ethers-core/Cargo.toml
+++ b/ethers-core/Cargo.toml
@@ -42,7 +42,7 @@ cargo_metadata = { version = "0.15.2", optional = true }
 convert_case = { version = "0.6.0", optional = true }
 syn = { version = "1.0.107", optional = true }
 proc-macro2 = { version = "1.0.50", optional = true }
-num_enum = "0.5.7"
+num_enum = "0.5.9"
 
 [target.'cfg(not(target_arch = "wasm32"))'.dependencies]
 tempfile = { version = "3.3.0", default-features = false }