diff --git a/Cargo.lock b/Cargo.lock
index 815fbd6..b4822b0 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -333,7 +333,7 @@ version = "0.12.3"
 dependencies = [
  "proc-macro2 1.0.70",
  "quote",
- "syn 1.0.109",
+ "syn 2.0.39",
 ]
 
 [[package]]
diff --git a/derive/Cargo.toml b/derive/Cargo.toml
index 749b09a..8dfd44d 100644
--- a/derive/Cargo.toml
+++ b/derive/Cargo.toml
@@ -11,7 +11,7 @@ proc-macro = true
 path = "lib.rs"
 
 [dependencies.syn]
-version = "1.0"
+version = "2.0"
 default-features = false
 features = ["derive", "clone-impls", "parsing", "printing", "proc-macro"]
 [dependencies.quote]