diff --git a/Cargo.lock b/Cargo.lock
index 575790a..552a5c6 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -42,7 +42,7 @@ dependencies = [
  "proc-macro-error",
  "proc-macro2",
  "quote",
- "syn 2.0.29",
+ "syn 2.0.32",
 ]
 
 [[package]]
@@ -133,9 +133,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.29"
+version = "2.0.32"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c324c494eba9d92503e6f1ef2e6df781e78f6a7705a0202d9801b198807d518a"
+checksum = "239814284fd6f1a4ffe4ca893952cdd93c224b6a1571c9a9eadd670295c0c9e2"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/mono-proc/Cargo.toml b/mono-proc/Cargo.toml
index 1960963..1449234 100644
--- a/mono-proc/Cargo.toml
+++ b/mono-proc/Cargo.toml
@@ -10,4 +10,4 @@ proc-macro = true
 proc-macro-error = "1.0.4"
 proc-macro2 = "1.0.66"
 quote = "1.0.33"
-syn = { version = "2.0.29", features = ["full"] }
+syn = { version = "2.0.32", features = ["full"] }