diff --git a/filestruct_derive/Cargo.toml b/filestruct_derive/Cargo.toml
index 83b2cd1..ae07f64 100644
--- a/filestruct_derive/Cargo.toml
+++ b/filestruct_derive/Cargo.toml
@@ -17,4 +17,4 @@ proc-macro = true
 [dependencies]
 proc-macro2 = { default-features = false, version = "1.0.56" }
 quote = { default-features = false, version = "1.0.26" }
-syn = { features = ["proc-macro", "derive", "parsing", "printing"], default-features = false, version = "2.0.15" }
+syn = { features = ["proc-macro", "derive", "parsing", "printing"], default-features = false, version = "3.0.2" }