@@ -3,6 +3,7 @@ name = "bitcode_derive"
 authors = [ "Cai Bear", "Finn Bear" ]
 version = "0.6.9"
 edition = "2021"
+rust-version = "1.70"
 license = "MIT OR Apache-2.0"
 repository = "https://github.com/SoftbearStudios/bitcode/"
 description = "Implementation of #[derive(Encode, Decode)] for bitcode"
@@ -13,4 +14,4 @@ proc-macro = true
 [dependencies]
 proc-macro2 = "1.0"
 quote = "1.0"
-syn = { version = "2.0.3", features = [ "extra-traits", "visit-mut" ] }
+syn = { version = "=2.0.114", features = [ "extra-traits", "visit-mut" ] }