diff --git a/Cargo.toml b/Cargo.toml
index 6c2111e..8fa2e45 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -29,7 +29,7 @@ sdp-types = "0.1.3"
 smallvec = { version = "1.6.1", features = ["union"] }
 thiserror = "1.0.25"
 time = "0.1.43"
-tokio = { version = "1.5.0", features = ["macros", "net", "time"] }
+tokio = { version = "1.5.0", features = ["macros", "net", "runtime", "time"] }
 tokio-util = { version = "0.6.6", features = ["codec"] }
 url = "2.2.1"