diff --git a/Cargo.lock b/Cargo.lock
index bb968f0..9a2763b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -102,9 +102,9 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.49"
+version = "1.0.81"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "57a8eca9f9c4ffde41714334dee777596264c7825420f521abc92b5b5deb63a5"
+checksum = "3d1597b0c024618f09a9c3b8655b7e430397a36d23fdafec26d6965e9eec3eba"
 dependencies = [
  "unicode-ident",
 ]
diff --git a/codegen/Cargo.toml b/codegen/Cargo.toml
index 987fb45..9104e21 100644
--- a/codegen/Cargo.toml
+++ b/codegen/Cargo.toml
@@ -12,7 +12,7 @@ workspace = ".."
 [dependencies]
 syn = "1.0"
 quote = "1.0"
-proc-macro2 = "^1.0.49"
+proc-macro2 = "^1.0.81"
 clap = { version = "4.0", default-features = false, features = ["derive", "std"] }
 toml = "0.5"
 serde = { version = "1.0", features = ["derive"] }