diff --git a/contracts/Cargo.lock b/contracts/Cargo.lock
index e762082..ccb2d20 100644
--- a/contracts/Cargo.lock
+++ b/contracts/Cargo.lock
@@ -1597,7 +1597,7 @@ version = "0.1.0"
 dependencies = [
  "anyhow",
  "proc-macro2",
- "syn 3.0.3",
+ "syn 3.0.4",
  "walkdir",
 ]
 
@@ -1780,9 +1780,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "3.0.3"
+version = "3.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "53e9bae58849f64dfa4f5d5ae372c8341f7305f82a3868709269343628b659a3"
+checksum = "e6275cddf4610d1775e6d1fe9469b2e77d0f39fd98fb7450901b821e0c53649f"
 dependencies = [
  "proc-macro2",
  "quote",