diff --git a/Cargo.lock b/Cargo.lock
index db539211..3d785d16 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3109,9 +3109,9 @@ checksum = "dbf0c48bc1d91375ae5c3cd81e3722dff1abcf81a30960240640d223f59fe0e5"
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.47"
+version = "1.0.49"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5ea3d908b0e36316caf9e9e2c4625cdde190a7e6f440d794667ed17a1855e725"
+checksum = "57a8eca9f9c4ffde41714334dee777596264c7825420f521abc92b5b5deb63a5"
 dependencies = [
  "unicode-ident",
 ]
diff --git a/ethers-core/Cargo.toml b/ethers-core/Cargo.toml
index 4f32c3cd..fbf0e92d 100644
--- a/ethers-core/Cargo.toml
+++ b/ethers-core/Cargo.toml
@@ -41,7 +41,7 @@ cargo_metadata = { version = "0.15.2", optional = true }
 # eip712 feature enabled dependencies
 convert_case = { version = "0.6.0", optional = true }
 syn = { version = "1.0.107", optional = true }
-proc-macro2 = { version = "1.0.47", optional = true }
+proc-macro2 = { version = "1.0.49", optional = true }
 num_enum = "0.5.7"
 
 [dev-dependencies]