diff --git a/Cargo.lock b/Cargo.lock
index 919a8f4bbf..503ee1b332 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2817,9 +2817,9 @@ checksum = "81cdd64d312baedb58e21336b31bc043b77e01cc99033ce76ef539f78e965ebc"
 
 [[package]]
 name = "syn"
-version = "2.0.65"
+version = "2.0.66"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d2863d96a84c6439701d7a38f9de935ec562c8832cc55d1dde0f513b52fad106"
+checksum = "c42f3f41a2de00b01c0aaad383c5a45241efc8b2d1eda5661812fda5f3cdcff5"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/Cargo.toml b/Cargo.toml
index 4c334458e6..4d64ec5f55 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -90,7 +90,7 @@ smallvec = { version = "1.13.2", features = [
     "union",
 ] }
 strsim = "0.11.1"
-syn = "2.0.65"
+syn = "2.0.66"
 tempfile = "3.10.1"
 test-case = "3.3.1"
 textwrap = "0.16.1"