diff --git a/src/serial/derive-internal/Cargo.toml b/src/serial/derive-internal/Cargo.toml
index 72dd1fb90..e13d03620 100644
--- a/src/serial/derive-internal/Cargo.toml
+++ b/src/serial/derive-internal/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "darkfi-derive-internal"
-version = "0.4.1"
+version = "0.4.2"
 homepage = "https://dark.fi"
 description = "Internal crate for serialization derive macros"
 authors = ["Dyne.org foundation <foundation@dyne.org>"]
@@ -9,9 +9,9 @@ license = "AGPL-3.0-only"
 edition = "2021"
 
 [dependencies]
-proc-macro2 = "1.0.86"
-quote = "1.0.37"
-syn = {version = "2.0.79", features = ["full", "fold"]}
+proc-macro2 = "1"
+quote = "1"
+syn = {version = "2", features = ["full", "fold"]}
 
 [features]
 default = []