diff --git a/Cargo.lock b/Cargo.lock
index f14ccb4c1..8c2da831d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -132,7 +132,7 @@ checksum = "7378575ff571966e99a744addeff0bff98b8ada0dedf1956d59e634db95eaac1"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.101",
+ "syn 2.0.104",
  "synstructure",
 ]
 
@@ -144,7 +144,7 @@ checksum = "7b18050c2cd6fe86c3a76584ef5e0baf286d038cda203eb6223df2cc413565f7"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.101",
+ "syn 2.0.104",
 ]
 
 [[package]]
@@ -600,7 +600,7 @@ dependencies = [
  "proc-macro-crate 1.3.1",
  "proc-macro2",
  "quote",
- "syn 2.0.101",
+ "syn 2.0.104",
 ]
 
 [[package]]
@@ -628,7 +628,7 @@ dependencies = [
  "proc-macro-crate 1.3.1",
  "proc-macro2",
  "quote",
- "syn 2.0.101",
+ "syn 2.0.104",
 ]
 
 [[package]]
@@ -638,7 +638,7 @@ dependencies = [
  "proc-macro-crate 1.3.1",
  "proc-macro2",
  "quote",
- "syn 2.0.101",
+ "syn 2.0.104",
 ]
 
 [[package]]
@@ -706,7 +706,7 @@ dependencies = [
  "heck",
  "proc-macro2",
  "quote",
- "syn 2.0.101",
+ "syn 2.0.104",
 ]
 
 [[package]]
@@ -721,7 +721,7 @@ version = "0.28.0"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.101",
+ "syn 2.0.104",
 ]
 
 [[package]]
@@ -962,7 +962,7 @@ checksum = "30542c1ad912e0e3d22a1935c290e12e8a29d704a420177a31faad4a601a0800"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.101",
+ "syn 2.0.104",
 ]
 
 [[package]]
@@ -996,7 +996,7 @@ checksum = "97369cbbc041bc366949bc74d34658d6cda5621039731c6310521892a3a20ae0"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.101",
+ "syn 2.0.104",
 ]
 
 [[package]]
@@ -1166,7 +1166,7 @@ checksum = "162ee34ebcb7c64a8abebc059ce0fee27c2262618d7b60ed8faf72fef13c3650"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.101",
+ "syn 2.0.104",
 ]
 
 [[package]]
@@ -1721,7 +1721,7 @@ checksum = "a948666b637a0f465e8564c73e89d4dde00d72d4d473cc972f390fc3dcee7d9c"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.101",
+ "syn 2.0.104",
 ]
 
 [[package]]
@@ -1942,7 +1942,7 @@ dependencies = [
  "proc-macro2",
  "pyo3-macros-backend",
  "quote",
- "syn 2.0.101",
+ "syn 2.0.104",
 ]
 
 [[package]]
@@ -1955,7 +1955,7 @@ dependencies = [
  "proc-macro2",
  "pyo3-build-config",
  "quote",
- "syn 2.0.101",
+ "syn 2.0.104",
 ]
 
 [[package]]
@@ -2148,7 +2148,7 @@ dependencies = [
  "regex",
  "relative-path",
  "rustc_version",
- "syn 2.0.101",
+ "syn 2.0.104",
  "unicode-ident",
 ]
 
@@ -2267,7 +2267,7 @@ checksum = "5b0276cf7f2c73365f7157c8123c21cd9a50fbbd844757af28ca1f5925fc2a00"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.101",
+ "syn 2.0.104",
 ]
 
 [[package]]
@@ -2396,9 +2396,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.101"
+version = "2.0.104"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8ce2b7fc941b3a24138a0a7cf8e858bfc6a992e7978a068a5c760deb0ed43caf"
+checksum = "17b6f705963418cdb9927482fa304bc562ece2fdd4f616084c50b7023b435a40"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -2413,7 +2413,7 @@ checksum = "c8af7666ab7b6390ab78131fb5b0fce11d6b7a6951602017c35fa82800708971"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.101",
+ "syn 2.0.104",
 ]
 
 [[package]]
@@ -2478,7 +2478,7 @@ checksum = "4fee6c4efc90059e10f81e6d42c60a18f76588c3d74cb83a0b242a2b6c7504c1"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.101",
+ "syn 2.0.104",
 ]
 
 [[package]]
@@ -2705,7 +2705,7 @@ dependencies = [
  "log",
  "proc-macro2",
  "quote",
- "syn 2.0.101",
+ "syn 2.0.104",
  "wasm-bindgen-shared",
 ]
 
@@ -2727,7 +2727,7 @@ checksum = "8ae87ea40c9f689fc23f209965b6fb8a99ad69aeeb0231408be24920604395de"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.101",
+ "syn 2.0.104",
  "wasm-bindgen-backend",
  "wasm-bindgen-shared",
 ]
@@ -2926,7 +2926,7 @@ checksum = "fa4f8080344d4671fb4e831a13ad1e68092748387dfc4f55e356242fae12ce3e"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.101",
+ "syn 2.0.104",
 ]
 
 [[package]]
@@ -2946,7 +2946,7 @@ checksum = "ce36e65b0d2999d2aafac989fb249189a141aee1f53c612c1f37d72631959f69"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.101",
+ "syn 2.0.104",
 ]
 
 [[package]]
diff --git a/Cargo.toml b/Cargo.toml
index 0b2b335bd..c001a3c78 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -132,7 +132,7 @@ clvm-traits-fuzz = { path = "./crates/clvm-traits/fuzz", version = "0.28.0" }
 clvm-utils-fuzz = { path = "./crates/clvm-utils/fuzz", version = "0.28.0" }
 blst = { version = "0.3.14", features = ["portable"] }
 clvmr = "0.16.0"
-syn = "2.0.101"
+syn = "2.0.104"
 quote = "1.0.40"
 proc-macro2 = "1.0.95"
 proc-macro-crate = "1.3.1"