diff --git a/macros/Cargo.toml b/macros/Cargo.toml
index 280e91e3..6cc9ef22 100644
--- a/macros/Cargo.toml
+++ b/macros/Cargo.toml
@@ -7,6 +7,6 @@ edition = "2021"
 proc-macro = true
 
 [dependencies]
-syn = "1"
+syn = "2"
 quote = "1"
 proc-macro2 = "1"