diff --git a/Cargo.lock b/Cargo.lock
index 55c0a183..d4a9ec48 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2223,9 +2223,9 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.32"
+version = "1.0.33"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ba508cc11742c0dc5c1659771673afbab7a0efab23aa17e854cbab0837ed0b43"
+checksum = "fb37d2df5df740e582f28f8560cf425f52bb267d872fe58358eadb554909f07a"
 dependencies = [
  "unicode-xid",
 ]
diff --git a/ethers-core/Cargo.toml b/ethers-core/Cargo.toml
index 8edaf24d..dc3f3187 100644
--- a/ethers-core/Cargo.toml
+++ b/ethers-core/Cargo.toml
@@ -38,7 +38,7 @@ cargo_metadata = { version = "0.14.1", optional = true }
 convert_case = { version = "0.4.0", optional = true }
 syn = { version = "1.0.82", optional = true }
 quote = { version = "1.0.9", optional = true }
-proc-macro2 = { version = "1.0.32", optional = true }
+proc-macro2 = { version = "1.0.33", optional = true }
 
 [target.'cfg(not(target_arch = "wasm32"))'.dependencies]
 # async