diff --git a/Cargo.toml b/Cargo.toml
index 0dac112..7920278 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -16,7 +16,7 @@ rand = {version = "0.8.5", features = ["small_rng"]}
 getrandom = {version = "0.2", features = ["js"]}
 wasm-bindgen = { version = "0.2.87", features = ["serde-serialize"] }
 serde_json = "1.0"
-serde = { version = "<=1.0.171", features = ["derive"] }
-serde-wasm-bindgen = "0.4"
+serde = { version = "=1.0.171", features = ["derive"] }
+serde-wasm-bindgen = "0.4.5"
 tsify = { version = "0.4.5", features = ["js"] }