diff --git a/Cargo.lock b/Cargo.lock
index 286d307..bed19c5 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -70,7 +70,7 @@ checksum = "bc00ceb34980c03614e35a3a4e218276a0a824e911d07651cd0d858a51e8c0f0"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.41",
+ "syn 2.0.60",
 ]
 
 [[package]]
@@ -509,7 +509,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "strsim",
- "syn 2.0.41",
+ "syn 2.0.60",
 ]
 
 [[package]]
@@ -520,7 +520,7 @@ checksum = "836a9bbc7ad63342d6d6e7b815ccab164bc77a2d95d84bc3117a8c0d5c98e2d5"
 dependencies = [
  "darling_core",
  "quote",
- "syn 2.0.41",
+ "syn 2.0.60",
 ]
 
 [[package]]
@@ -1567,7 +1567,7 @@ dependencies = [
  "proc-macro-error",
  "proc-macro2",
  "quote",
- "syn 2.0.41",
+ "syn 2.0.60",
 ]
 
 [[package]]
@@ -1583,7 +1583,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "static_assertions",
- "syn 2.0.41",
+ "syn 2.0.60",
  "thiserror",
 ]
 
@@ -1853,9 +1853,9 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.69"
+version = "1.0.81"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "134c189feb4956b20f6f547d2cf727d4c0fe06722b20a0eec87ed445a97f92da"
+checksum = "3d1597b0c024618f09a9c3b8655b7e430397a36d23fdafec26d6965e9eec3eba"
 dependencies = [
  "unicode-ident",
 ]
@@ -1889,9 +1889,9 @@ dependencies = [
 
 [[package]]
 name = "quote"
-version = "1.0.33"
+version = "1.0.36"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5267fca4496028628a95160fc423a33e8b2e6af8a5302579e322e4b520293cae"
+checksum = "0fa76aaf39101c457836aec0ce2316dbdc3ab723cdda1c6bd4e6ad4208acaca7"
 dependencies = [
  "proc-macro2",
 ]
@@ -2072,7 +2072,7 @@ checksum = "1e48d1f918009ce3145511378cf68d613e3b3d9137d67272562080d68a2b32d5"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.41",
+ "syn 2.0.60",
 ]
 
 [[package]]
@@ -2111,7 +2111,7 @@ dependencies = [
  "darling",
  "proc-macro2",
  "quote",
- "syn 2.0.41",
+ "syn 2.0.60",
 ]
 
 [[package]]
@@ -2201,9 +2201,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.41"
+version = "2.0.60"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "44c8b28c477cc3bf0e7966561e3460130e1255f7a1cf71931075f1c5e7a7e269"
+checksum = "909518bc7b1c9b779f1bbf07f2929d35af9f0f37e47c6e9ef7f9dddc1e1821f3"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -2258,7 +2258,7 @@ checksum = "266b2e40bc00e5a6c09c3584011e08b06f123c00362c92b975ba9843aaaa14b8"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.41",
+ "syn 2.0.60",
 ]
 
 [[package]]
@@ -2350,7 +2350,7 @@ checksum = "5f4f31f56159e98206da9efd823404b79b6ef3143b4a7ab76e67b1751b25a4ab"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.41",
+ "syn 2.0.60",
 ]
 
 [[package]]
@@ -2566,7 +2566,7 @@ dependencies = [
  "once_cell",
  "proc-macro2",
  "quote",
- "syn 2.0.41",
+ "syn 2.0.60",
  "wasm-bindgen-shared",
 ]
 
@@ -2588,7 +2588,7 @@ checksum = "54681b18a46765f095758388f2d0cf16eb8d4169b639ab575a8f5693af210c7b"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.41",
+ "syn 2.0.60",
  "wasm-bindgen-backend",
  "wasm-bindgen-shared",
 ]
@@ -2772,7 +2772,7 @@ dependencies = [
  "anyhow",
  "proc-macro2",
  "quote",
- "syn 2.0.41",
+ "syn 2.0.60",
  "wasmtime-component-util",
  "wasmtime-wit-bindgen",
  "wit-parser",
@@ -2963,7 +2963,7 @@ checksum = "6362c557c36d8ad4aaab735f14ed9e4f78d6b40ec85a02a88fd859af87682e52"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.41",
+ "syn 2.0.60",
 ]
 
 [[package]]
@@ -3100,7 +3100,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "shellexpand",
- "syn 2.0.41",
+ "syn 2.0.60",
  "witx",
 ]
 
@@ -3112,7 +3112,7 @@ checksum = "476e3e09bc68e82624b70a322265515523754cb9e05fcacceabd216e276bc2ed"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.41",
+ "syn 2.0.60",
  "wiggle-generate",
 ]
 
@@ -3361,7 +3361,7 @@ checksum = "be912bf68235a88fbefd1b73415cb218405958d1655b2ece9035a19920bdf6ba"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.41",
+ "syn 2.0.60",
 ]
 
 [[package]]
diff --git a/crates/marine-test-macro-impl/Cargo.toml b/crates/marine-test-macro-impl/Cargo.toml
index 07f7835..9a372bf 100644
--- a/crates/marine-test-macro-impl/Cargo.toml
+++ b/crates/marine-test-macro-impl/Cargo.toml
@@ -21,7 +21,7 @@ darling = "0.20.1"
 quote = "1.0.26"
 proc-macro2 = "1.0.69"
 proc-macro-error = { version = "1.0.4", default-features = false }
-syn = { version = '2.0.15', features = ['full'] }
+syn = { version = '2.0.60', features = ['full'] }
 thiserror = "1.0.40"
 static_assertions = "1.1.0"
 
diff --git a/crates/marine-test-macro/Cargo.toml b/crates/marine-test-macro/Cargo.toml
index c96cf6c..723090d 100644
--- a/crates/marine-test-macro/Cargo.toml
+++ b/crates/marine-test-macro/Cargo.toml
@@ -23,4 +23,4 @@ marine-test-macro-impl = { path = "../marine-test-macro-impl", version = "=0.16.
 quote = "1.0.26"
 proc-macro2 = "1.0.69"
 proc-macro-error = { version = "1.0.4", default-features = false }
-syn = { version = '2.0.15', features = ['full'] }
+syn = { version = '2.0.60', features = ['full'] }