diff --git a/Cargo.toml b/Cargo.toml
index a57be74c90133a042ec03459b3942a8d23c2227c..e88eb3ff5a529bd8b4454f1424f3529fdb99c0fa 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -20,7 +20,7 @@ getrandom = "0.1.14" # tiny crate. used to guess controller-id
 # network
 # integer-encoding = "1.1.5"
 # byteorder = "1.3.4"
-mio = { version = "0.7.0", package = "mio", features = ["tcp", "os-poll"] }
+mio = { version = "0.7.0", package = "mio", features = ["udp", "tcp", "os-poll"] }
 
 # protocol
 backtrace = "0.3"