diff --git a/Cargo.lock b/Cargo.lock
index 82e986cbca7..803e740157a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -433,7 +433,7 @@ version = "0.16.0"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.3",
+ "syn 2.0.8",
  "synstructure",
 ]
 
@@ -1025,7 +1025,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "scratch",
- "syn 2.0.3",
+ "syn 2.0.8",
 ]
 
 [[package]]
@@ -1042,7 +1042,7 @@ checksum = "631569015d0d8d54e6c241733f944042623ab6df7bc3be7466874b05fcdb1c5f"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.3",
+ "syn 2.0.8",
 ]
 
 [[package]]
@@ -3541,7 +3541,7 @@ checksum = "e801c1712f48475582b7696ac71e0ca34ebb30e09338425384269d9717c62cad"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.3",
+ "syn 2.0.8",
 ]
 
 [[package]]
@@ -3876,9 +3876,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.3"
+version = "2.0.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e8234ae35e70582bfa0f1fedffa6daa248e41dd045310b19800c4a36382c8f60"
+checksum = "bcc02725fd69ab9f26eab07fad303e2497fad6fb9eba4f96c4d1687bdf704ad9"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -4002,7 +4002,7 @@ checksum = "f9456a42c5b0d803c8cd86e73dd7cc9edd429499f37a3550d286d5e86720569f"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.3",
+ "syn 2.0.8",
 ]
 
 [[package]]
diff --git a/boa_macros/Cargo.toml b/boa_macros/Cargo.toml
index ce56ad2f5fb..5592cdc2768 100644
--- a/boa_macros/Cargo.toml
+++ b/boa_macros/Cargo.toml
@@ -14,6 +14,6 @@ proc-macro = true
 
 [dependencies]
 quote = "1.0.26"
-syn = { version = "2.0.3", features = ["full"] }
+syn = { version = "2.0.8", features = ["full"] }
 proc-macro2 = "1.0"
 synstructure = "0.12"