diff --git a/Cargo.lock b/Cargo.lock
index 8d3bfad..f9393ea 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -115,9 +115,9 @@ checksum = "989e6739f80c4ad5b13e0fd7fe89531180375b18520cc8c82080e4dc4035b84f"
 
 [[package]]
 name = "syn"
-version = "2.0.104"
+version = "2.0.108"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "17b6f705963418cdb9927482fa304bc562ece2fdd4f616084c50b7023b435a40"
+checksum = "da58917d35242480a05c2897064da0a80589a2a0476c9a3f2fdc83b53502e917"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/proc/Cargo.toml b/proc/Cargo.toml
index 0a9165f..5a1ef08 100644
--- a/proc/Cargo.toml
+++ b/proc/Cargo.toml
@@ -15,7 +15,7 @@ proc-macro = true
 [dependencies]
 proc-macro2 = "1.0.95"
 quote = "1.0.40"
-syn = { version = "2.0.104", features = ["full"] }
+syn = { version = "2.0.108", features = ["full"] }
 
 [features]
 tokio = []