diff --git a/Cargo.lock b/Cargo.lock
index 131dabab4..d711358ba 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -364,13 +364,15 @@ dependencies = [
 
 [[package]]
 name = "async-std-resolver"
-version = "0.19.7"
+version = "0.20.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c7c9658b625587d155723bfefbd36d5e089a2f3ba7146bf0818a06568ea67826"
+checksum = "4d613d619c2886fc0f4b5a777eceab405b23de82d73f0fc61ae402fdb9bc6fb2"
 dependencies = [
  "async-std",
  "async-trait",
- "futures",
+ "futures-io",
+ "futures-util",
+ "pin-utils",
  "trust-dns-resolver",
 ]
 
@@ -1957,6 +1959,12 @@ dependencies = [
  "winreg",
 ]
 
+[[package]]
+name = "ipnet"
+version = "2.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "47be2f14c678be2fdcab04ab1171db51b2762ce6f0a8ee87c8dd4a04ed216135"
+
 [[package]]
 name = "itertools"
 version = "0.9.0"
@@ -3732,36 +3740,41 @@ dependencies = [
 
 [[package]]
 name = "trust-dns-proto"
-version = "0.19.7"
+version = "0.20.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1cad71a0c0d68ab9941d2fb6e82f8fb2e86d9945b94e1661dd0aaea2b88215a9"
+checksum = "952a078337565ba39007de99b151770f41039253a31846f0a3d5cd5a4ac8eedf"
 dependencies = [
  "async-trait",
- "backtrace",
  "cfg-if 1.0.0",
+ "data-encoding",
  "enum-as-inner",
- "futures",
+ "futures-channel",
+ "futures-io",
+ "futures-util",
  "idna",
+ "ipnet",
  "lazy_static",
  "log",
- "rand 0.7.3",
+ "rand 0.8.3",
  "smallvec",
  "thiserror",
+ "tinyvec",
  "url",
 ]
 
 [[package]]
 name = "trust-dns-resolver"
-version = "0.19.7"
+version = "0.20.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "710f593b371175db53a26d0b38ed2978fafb9e9e8d3868b1acd753ea18df0ceb"
+checksum = "da9c97f7d103e0f94dbe384a57908833505ae5870126492f166821b7cf685589"
 dependencies = [
- "cfg-if 0.1.10",
- "futures",
+ "cfg-if 1.0.0",
+ "futures-util",
  "ipconfig",
  "lazy_static",
  "log",
  "lru-cache",
+ "parking_lot",
  "resolv-conf",
  "smallvec",
  "thiserror",
diff --git a/Cargo.toml b/Cargo.toml
index 0d6bcb212..7a5d937ce 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -19,7 +19,7 @@ anyhow = "1.0.40"
 async-imap = "0.4.0"
 async-native-tls = { version = "0.3.3" }
 async-smtp = { git = "https://github.com/async-email/async-smtp", rev="2275fd8d13e39b2c58d6605c786ff06ff9e05708" }
-async-std-resolver = "0.19.5"
+async-std-resolver = "0.20.2"
 async-std = { version = "~1.8.0", features = ["unstable"] }
 async-tar = "0.3.0"
 async-trait = "0.1.50"