diff --git a/macros/Cargo.toml b/macros/Cargo.toml
index 40bcaf9e..b2a21c74 100644
--- a/macros/Cargo.toml
+++ b/macros/Cargo.toml
@@ -10,6 +10,6 @@ license = "Apache-2.0"
 proc-macro = true
 
 [dependencies]
-syn = { version = "1.0", default-features = false, features = ["proc-macro", "parsing", "printing", "derive", "clone-impls", "visit-mut"] }
+syn = { version = "2.0", default-features = false, features = ["proc-macro", "parsing", "printing", "derive", "clone-impls", "visit-mut"] }
 quote = "1.0.3"
 proc-macro2 = "1.0.1"