diff --git a/Cargo.lock b/Cargo.lock
index 38294c1a09..cda3e47cfc 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2678,9 +2678,9 @@ dependencies = [
 
 [[package]]
 name = "trust-dns-resolver"
-version = "0.21.1"
+version = "0.21.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d9e737a252a617bd4774649e245dbf705e207275db0893b9fa824d49f074fc1c"
+checksum = "e4ba72c2ea84515690c9fcef4c6c660bb9df3036ed1051686de84605b74fd558"
 dependencies = [
  "cfg-if",
  "futures-util",
diff --git a/linkerd/dns/Cargo.toml b/linkerd/dns/Cargo.toml
index 3188592548..3db7ab5ef0 100644
--- a/linkerd/dns/Cargo.toml
+++ b/linkerd/dns/Cargo.toml
@@ -12,5 +12,5 @@ linkerd-dns-name = { path = "./name" }
 linkerd-error = { path = "../error" }
 thiserror = "1"
 tracing = "0.1"
-trust-dns-resolver = "0.21.1"
+trust-dns-resolver = "0.21.2"
 tokio = { version = "1", features = ["rt", "sync", "time"] }