diff --git a/transports/dns/Cargo.toml b/transports/dns/Cargo.toml
index 6b5c433e..00e14e09 100644
--- a/transports/dns/Cargo.toml
+++ b/transports/dns/Cargo.toml
@@ -16,7 +16,7 @@ log = "0.4.1"
 futures = "0.3.1"
 async-std-resolver = { version = "0.21", optional = true }
 parking_lot = "0.12.0"
-trust-dns-resolver = { version = "0.21", default-features = false, features = ["system-config"] }
+trust-dns-resolver = { version = "0.22", default-features = false, features = ["system-config"] }
 smallvec = "1.6.1"
 
 [dev-dependencies]