diff --git a/Cargo.lock b/Cargo.lock
index 910fa56a..fbb83473 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -164,7 +164,7 @@ dependencies = [
  "heck",
  "proc-macro2",
  "quote",
- "syn 2.0.25",
+ "syn 2.0.27",
 ]
 
 [[package]]
@@ -441,7 +441,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "92139198957b410250d43fad93e630d956499a625c527eda65175c8680f83387"
 dependencies = [
  "proc-macro2",
- "syn 2.0.25",
+ "syn 2.0.27",
 ]
 
 [[package]]
@@ -591,7 +591,7 @@ dependencies = [
  "serde_json",
  "strum",
  "strum_macros",
- "syn 2.0.25",
+ "syn 2.0.27",
  "thiserror",
  "version-sync",
 ]
@@ -604,7 +604,7 @@ checksum = "291a097c63d8497e00160b166a967a4a79c64f3facdd01cbd7502231688d77df"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.25",
+ "syn 2.0.27",
 ]
 
 [[package]]
@@ -676,9 +676,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.25"
+version = "2.0.27"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "15e3fc8c0c74267e2df136e5e5fb656a464158aa57624053375eb9c8c6e25ae2"
+checksum = "b60f673f44a8255b9c8c657daf66a596d435f2da81a555b06dc644d080ba45e0"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -711,7 +711,7 @@ checksum = "f9456a42c5b0d803c8cd86e73dd7cc9edd429499f37a3550d286d5e86720569f"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.25",
+ "syn 2.0.27",
 ]
 
 [[package]]
diff --git a/serde-sarif/Cargo.toml b/serde-sarif/Cargo.toml
index d2219245..9668c6b0 100644
--- a/serde-sarif/Cargo.toml
+++ b/serde-sarif/Cargo.toml
@@ -44,4 +44,4 @@ proc-macro2 = "1.0.64"
 quote = "1.0.23"
 schemafy_lib = "0.6.0"
 serde_json = "1.0.96"
-syn = "2.0.23"
+syn = "2.0.27"