diff --git a/Cargo.lock b/Cargo.lock
index cfa39cd1ad..2fe6fb3c9e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1550,9 +1550,9 @@ checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
 
 [[package]]
 name = "syn"
-version = "1.0.102"
+version = "1.0.103"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3fcd952facd492f9be3ef0d0b7032a6e442ee9b361d4acc2b1d0c4aaa5f613a1"
+checksum = "a864042229133ada95abf3b54fdc62ef5ccabe9515b64717bcb9a1919e59445d"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/boa_macros/Cargo.toml b/boa_macros/Cargo.toml
index 80968bcf62..d68aae7e97 100644
--- a/boa_macros/Cargo.toml
+++ b/boa_macros/Cargo.toml
@@ -14,5 +14,5 @@ proc-macro = true
 
 [dependencies]
 quote = "1.0.21"
-syn = "1.0.101"
+syn = "1.0.103"