diff --git a/Cargo.lock b/Cargo.lock
index 218c5f2..365441e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2469,9 +2469,9 @@ checksum = "13c2bddecc57b384dee18652358fb23172facb8a2c51ccc10d74c157bdea3292"
 
 [[package]]
 name = "syn"
-version = "2.0.101"
+version = "2.0.104"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8ce2b7fc941b3a24138a0a7cf8e858bfc6a992e7978a068a5c760deb0ed43caf"
+checksum = "17b6f705963418cdb9927482fa304bc562ece2fdd4f616084c50b7023b435a40"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/metrics/metrics-macros/Cargo.toml b/metrics/metrics-macros/Cargo.toml
index 0c2b235..1b1f456 100644
--- a/metrics/metrics-macros/Cargo.toml
+++ b/metrics/metrics-macros/Cargo.toml
@@ -11,4 +11,4 @@ proc-macro = true
 darling = "0.20.10"
 proc-macro2 = "1.0.86"
 quote = "1.0.36"
-syn = { version = "2.0.70", features = ["full"] }
+syn = { version = "2.0.104", features = ["full"] }