diff --git a/Cargo.toml b/Cargo.toml
index a0fe277..e3ce302 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -7,6 +7,7 @@ documentation = "https://docs.rs/tokio-ping"
 repository = "https://github.com/knsd/tokio-ping"
 description = "Asynchronous ICMP pinging library"
 keywords = ["tokio", "icmp", "ping"]
+categories = ["network-programming", "asynchronous"]
 
 [dependencies]
 error-chain = "0.11"