diff --git a/contracts/Cargo.lock b/contracts/Cargo.lock
index ccb2d20e..d6118b95 100644
--- a/contracts/Cargo.lock
+++ b/contracts/Cargo.lock
@@ -1597,7 +1597,7 @@ version = "0.1.0"
 dependencies = [
  "anyhow",
  "proc-macro2",
- "syn 3.0.4",
+ "syn 3.0.6",
  "walkdir",
 ]
 
@@ -1780,9 +1780,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "3.0.4"
+version = "3.0.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e6275cddf4610d1775e6d1fe9469b2e77d0f39fd98fb7450901b821e0c53649f"
+checksum = "8593e8e72159ed2257d083c7a454a85cbf854f37a0966d8d483aff8c8a3ebcee"
 dependencies = [
  "proc-macro2",
  "quote",