diff --git a/Cargo.lock b/Cargo.lock
index b0c497d1..62a58e27 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -663,7 +663,7 @@ version = "0.3.0"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.119",
+ "syn 3.0.3",
  "trybuild",
  "version-sync",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index 16ed4f31..b95f7126 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -25,7 +25,7 @@ predicates = { version = "3.1.4", default-features = false }
 proc-macro2 = "1.0"
 quote = "1.0"
 static_assertions = "1.1.0"
-syn = "2.0"
+syn = "3.0"
 tempfile = "3.27.0"
 term-transcript = { version = "0.5.0", features = ["portable-pty"] }
 test-casing = "0.2.0"