diff --git a/Cargo.toml b/Cargo.toml
index 2b11c42..1f13af6 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -4,11 +4,12 @@ description = "Tree Widget for tui-rs"
 version = "0.7.0"
 license = "MIT"
 repository = "https://github.com/EdJoPaTo/tui-rs-tree-widget"
+documentation = "https://docs.rs/tui-tree-widget"
 authors = ["EdJoPaTo <tui-tree-widget-rust-crate@edjopato.de>"]
 edition = "2018"
+rust-version = "1.48.0"
 keywords = ["tui", "terminal", "tree", "widget"]
 include = ["src/**/*", "README.md"]
-
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]