diff --git a/Cargo.lock b/Cargo.lock
index bdcb78f..9b6d746 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -778,7 +778,7 @@ version = "0.3.0"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 3.0.5",
+ "syn 3.0.9",
 ]
 
 [[package]]
@@ -853,9 +853,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "3.0.5"
+version = "3.0.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "12df2e0110f65b775f769bb17ef989067a1d931b2eb822bd4346631eeada89f9"
+checksum = "d78c8dee4c7bf0e14673097256fed6142ce9d3b85a408189d07482442145823b"
 dependencies = [
  "proc-macro2",
  "quote",