diff --git a/crates/peer_binary_protocol/Cargo.toml b/crates/peer_binary_protocol/Cargo.toml
index 23ee27c..b875c43 100644
--- a/crates/peer_binary_protocol/Cargo.toml
+++ b/crates/peer_binary_protocol/Cargo.toml
@@ -2,9 +2,20 @@
 name = "librqbit-peer-protocol"
 version = "2.2.1"
 edition = "2018"
+description = "Protocol for working with torrent peers. Used in rqbit torrent client."
+license = "Apache-2.0"
+documentation = "https://docs.rs/librqbit-peer-protocol"
+repository = "https://github.com/ikatson/rqbit"
+readme = "README.md"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
+[features]
+default = ["sha1-system"]
+sha1-system = ["bencode/sha1-system", "librqbit-core/sha1-system"]
+sha1-openssl = ["bencode/sha1-openssl", "librqbit-core/sha1-openssl"]
+sha1-rust = ["bencode/sha1-rust", "librqbit-core/sha1-rust"]
+
 [dependencies]
 serde = {version = "1", features = ["derive"]}
 bincode = "1"