diff --git a/Cargo.lock b/Cargo.lock
index 5545a97..066a322 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -684,7 +684,7 @@ version = "0.1.0"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.119",
+ "syn 3.0.2",
  "trybuild",
 ]
 
diff --git a/crates/uci-derive/Cargo.toml b/crates/uci-derive/Cargo.toml
index 6e0abf1..ca7ed88 100644
--- a/crates/uci-derive/Cargo.toml
+++ b/crates/uci-derive/Cargo.toml
@@ -10,7 +10,7 @@ proc-macro = true
 [dependencies]
 proc-macro2 = "1"
 quote = "1"
-syn = { version = "2", features = ["full"] }
+syn = { version = "3", features = ["full"] }
 
 [dev-dependencies]
 trybuild = "1"