diff --git a/Cargo.lock b/Cargo.lock
index 1464b08..1fb771b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -179,7 +179,7 @@ version = "0.1.0"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 3.0.0",
+ "syn 3.0.3",
 ]
 
 [[package]]
@@ -721,7 +721,7 @@ checksum = "e7a5d71263a5a7d47b41f6b3f06ba276f10cc18b0931f1799f710578e2309348"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 3.0.0",
+ "syn 3.0.3",
 ]
 
 [[package]]
@@ -775,9 +775,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "3.0.0"
+version = "3.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f2fac314a64dc9a36e61a9eb4261a5e9bbfbc922b27e518af97bc32b926cf967"
+checksum = "53e9bae58849f64dfa4f5d5ae372c8341f7305f82a3868709269343628b659a3"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -814,7 +814,7 @@ checksum = "43cbfe0cf76104d42a574802844187e84a305e531ed54455f11fbde0f10541cd"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 3.0.0",
+ "syn 3.0.3",
 ]
 
 [[package]]