diff --git a/Cargo.toml b/Cargo.toml
index 9bc929d..603e00d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -7,7 +7,8 @@ license = "MIT OR Apache-2.0"
 repository = "https://github.com/automesh-network/netstack-smoltcp"
 homepage = "https://github.com/automesh-network/netstack-smoltcp"
 documentation = "https://docs.rs/netstack-smoltcp"
-keywords = ["netstack", "smoltcp", "network", "ip", "udp", "tcp", "tun"]
+keywords = ["netstack", "smoltcp", "network", "ip", "tun"]
+categories = ["network-programing"]
 description = """
 A netstack for the special purpose of turning packets from/to a TUN interface
 into TCP streams and UDP packets. It uses smoltcp-rs as the backend netstack.