diff --git a/Cargo.lock b/Cargo.lock
index 0dc285f..96cb020 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -8,7 +8,7 @@ version = "1.1.0"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.119",
+ "syn 3.0.9",
 ]
 
 [[package]]
diff --git a/Cargo.toml b/Cargo.toml
index 34ea50d..3dfebe0 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -21,7 +21,7 @@ categories = ["asynchronous", "concurrency", "embedded", "no-std"]
 [workspace.dependencies]
 proc-macro2 = "1"
 quote = "1"
-syn = { version = "2", features = ["full", "extra-traits"] }
+syn = { version = "3", features = ["full", "extra-traits"] }
 
 [workspace.lints.rust]
 unsafe_code = "forbid"