diff --git a/Cargo.lock b/Cargo.lock
index 20664e5..f56d965 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -778,7 +778,7 @@ version = "0.3.0"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 3.0.2",
+ "syn 3.0.3",
 ]
 
 [[package]]
@@ -853,9 +853,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "3.0.2"
+version = "3.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a207d6d6a2b7fc470b80443726053f18a2481b7e1eee970597051596567987a3"
+checksum = "53e9bae58849f64dfa4f5d5ae372c8341f7305f82a3868709269343628b659a3"
 dependencies = [
  "proc-macro2",
  "quote",