diff --git a/Cargo.toml b/Cargo.toml
index da8b96b..c134102 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "paypal-rs"
-version = "0.2.0-alpha.5"
+version = "0.2.0-alpha.6"
 authors = ["Edgar <git@edgarluque.com>"]
 description = "A library that wraps the paypal api asynchronously."
 repository = "https://github.com/edg-l/paypal-rs/"
@@ -9,20 +9,20 @@ keywords = ["paypal", "api", "async"]
 categories = ["api-bindings", "asynchronous"]
 documentation = "https://docs.rs/paypal-rs"
 readme = "README.md"
-edition = "2018"
+edition = "2021"
 
 
 [dependencies]
-reqwest = { version = "0.11.8", features = ["json"] }
-serde = { version = "1.0.132", features = ["derive"] }
-serde_json = "1.0.73"
-serde_with = "1.11.0"
+reqwest = { version = "0.11.10", features = ["json"] }
+serde = { version = "1.0.136", features = ["derive"] }
+serde_json = "1.0.79"
+serde_with = "1.12.1"
 chrono = { version = "0.4.19", features = ["serde"] }
-jsonwebtoken = "7.2.0"
+jsonwebtoken = "8.0.1"
 base64 = "0.13.0"
-log = "0.4.14"
+log = "0.4.16"
 bytes = "1.1.0"
 
 [dev-dependencies]
-tokio = { version = "1.15.0", features = ["macros", "rt-multi-thread"] }
+tokio = { version = "1.17.0", features = ["macros", "rt-multi-thread"] }
 dotenv = "0.15.0"