diff --git a/macros/Cargo.lock b/macros/Cargo.lock
index 38a0807..d8bf9b7 100644
--- a/macros/Cargo.lock
+++ b/macros/Cargo.lock
@@ -37,9 +37,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "1.0.109"
+version = "2.0.89"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "72b64191b275b66ffe2469e8af2c1cfe3bafa67b529ead792a6d0160888b4237"
+checksum = "44d46482f1c1c87acd84dea20c1bf5ebff4c757009ed6bf19cfd36fb10e92c4e"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/macros/Cargo.toml b/macros/Cargo.toml
index f82c624..eb6867d 100644
--- a/macros/Cargo.toml
+++ b/macros/Cargo.toml
@@ -7,6 +7,6 @@ edition = "2021"
 proc-macro = true
 
 [dependencies]
-syn = "1.0"
+syn = "2.0"
 quote = "1.0"
 heck = "0.5.0"