diff --git a/derive-impl/Cargo.toml b/derive-impl/Cargo.toml
index dc957e8f..a23bc062 100644
--- a/derive-impl/Cargo.toml
+++ b/derive-impl/Cargo.toml
@@ -15,5 +15,5 @@ proc-macro2 = { version = "1.0.24", features = ["span-locations"] }
 proc-macro-crate = "1.3.1"
 proc-macro-error = "1.0.4"
 quote = "1.0.7"
-syn = "1.0.42"
+syn = "2.0.33"
 synstructure = "0.12.4"