diff --git a/Cargo.toml b/Cargo.toml
index 4942f89..7809688 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -120,5 +120,5 @@ atdf2svd = { version = "=0.5.1", default-features = false }
 prettyplease = "=0.2.33"
 svd-rs = { version = "=0.14.12", default-features = false }
 yaml-rust2 = { version = "=0.10.2", default-features = false }
-syn = { version = "=2.0.101", default-features = false, features = ["full", "parsing"] }
+syn = { version = "=2.0.104", default-features = false, features = ["full", "parsing"] }
 anyhow = "1.0"