diff --git a/Cargo.toml b/Cargo.toml
index a1911e2..47b55db 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -14,8 +14,8 @@ lazy_static = "1.4.0"
 num-bigint = { version = "0.4.6", features = ["serde"] }
 hex = "0.4.3"
 num-traits = "0.2.19"
-serde = { version = "1.0.217", features = ["derive"] }
-serde_json = "1.0.135"
+serde = { version = "1.0", features = ["derive"] }
+serde_json = "1.0.105"
 thiserror = "1.0.69"
 tokio = { version = "1.38.0", features = ["full"] }
 chrono = "0.4.39"