diff --git a/Cargo.lock b/Cargo.lock
index 49b8af0..679978c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -113,7 +113,7 @@ dependencies = [
  "eyre",
  "prettyplease",
  "regex",
- "syn 2.0.55",
+ "syn 2.0.57",
 ]
 
 [[package]]
@@ -123,7 +123,7 @@ dependencies = [
  "proc-macro-error",
  "proc-macro2",
  "quote",
- "syn 2.0.55",
+ "syn 2.0.57",
  "trybuild",
 ]
 
@@ -226,7 +226,7 @@ dependencies = [
  "heck",
  "proc-macro2",
  "quote",
- "syn 2.0.55",
+ "syn 2.0.57",
 ]
 
 [[package]]
@@ -571,7 +571,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8d3928fb5db768cb86f891ff014f0144589297e3c6a1aba6ed7cecfdace270c7"
 dependencies = [
  "proc-macro2",
- "syn 2.0.55",
+ "syn 2.0.57",
 ]
 
 [[package]]
@@ -689,7 +689,7 @@ checksum = "a3385e45322e8f9931410f01b3031ec534c3947d0e94c18049af4d9f9907d4e0"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.55",
+ "syn 2.0.57",
 ]
 
 [[package]]
@@ -732,7 +732,7 @@ checksum = "91d129178576168c589c9ec973feedf7d3126c01ac2bf08795109aa35b69fb8f"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.55",
+ "syn 2.0.57",
 ]
 
 [[package]]
@@ -774,9 +774,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.55"
+version = "2.0.57"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "002a1b3dbf967edfafc32655d0f377ab0bb7b994aa1d32c8cc7e9b8bf3ebb8f0"
+checksum = "11a6ae1e52eb25aab8f3fb9fca13be982a373b8f1157ca14b897a825ba4a2d35"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -809,7 +809,7 @@ checksum = "c61f3ba182994efc43764a46c018c347bc492c79f024e705f46567b418f6d4f7"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.55",
+ "syn 2.0.57",
 ]
 
 [[package]]
@@ -973,7 +973,7 @@ dependencies = [
  "once_cell",
  "proc-macro2",
  "quote",
- "syn 2.0.55",
+ "syn 2.0.57",
  "wasm-bindgen-shared",
 ]
 
@@ -995,7 +995,7 @@ checksum = "54681b18a46765f095758388f2d0cf16eb8d4169b639ab575a8f5693af210c7b"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.55",
+ "syn 2.0.57",
  "wasm-bindgen-backend",
  "wasm-bindgen-shared",
 ]
diff --git a/aoc-build/Cargo.toml b/aoc-build/Cargo.toml
index 66d3aa8..a5a4637 100644
--- a/aoc-build/Cargo.toml
+++ b/aoc-build/Cargo.toml
@@ -10,4 +10,4 @@ license = "Apache-2.0/MIT"
 eyre = "0.6.12"
 prettyplease = "0.2.17"
 regex = "1.10.4"
-syn = "2.0.55"
+syn = "2.0.57"
diff --git a/aoc-derive/Cargo.toml b/aoc-derive/Cargo.toml
index d5175ea..ffa36ce 100644
--- a/aoc-derive/Cargo.toml
+++ b/aoc-derive/Cargo.toml
@@ -12,7 +12,7 @@ proc_macro = true
 proc-macro-error = "1.0.4"
 proc-macro2 = "1.0.79"
 quote = "1.0.35"
-syn = { version = "2.0.55", features = ["full", "parsing"] }
+syn = { version = "2.0.57", features = ["full", "parsing"] }
 
 [dev-dependencies]
 trybuild = "1.0.90"