diff --git a/Cargo.lock b/Cargo.lock
index 18be0e9..d6f21c3 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1272,9 +1272,9 @@ dependencies = [
 
 [[package]]
 name = "mio"
-version = "0.7.14"
+version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8067b404fe97c70829f082dec8bcf4f71225d7eaea1d8645349cb76fa06205cc"
+checksum = "ba272f85fa0b41fc91872be579b3bbe0f56b792aa361a380eb669469f68dafb2"
 dependencies = [
  "libc",
  "log",
diff --git a/aquatic_udp/Cargo.toml b/aquatic_udp/Cargo.toml
index 0df4bae..fb0f9ca 100644
--- a/aquatic_udp/Cargo.toml
+++ b/aquatic_udp/Cargo.toml
@@ -27,7 +27,7 @@ crossbeam-channel = "0.5"
 hex = "0.4"
 log = "0.4"
 mimalloc = { version = "0.1", default-features = false }
-mio = { version = "0.7", features = ["udp", "os-poll", "os-util"] }
+mio = { version = "0.8", features = ["net", "os-poll"] }
 parking_lot = "0.11"
 rand = { version = "0.8", features = ["small_rng"] }
 serde = { version = "1", features = ["derive"] }
diff --git a/aquatic_udp_load_test/Cargo.toml b/aquatic_udp_load_test/Cargo.toml
index b31850e..85dd579 100644
--- a/aquatic_udp_load_test/Cargo.toml
+++ b/aquatic_udp_load_test/Cargo.toml
@@ -19,7 +19,7 @@ aquatic_common = "0.1.0"
 aquatic_udp_protocol = "0.1.0"
 hashbrown = "0.11"
 mimalloc = { version = "0.1", default-features = false }
-mio = { version = "0.7", features = ["udp", "os-poll", "os-util"] }
+mio = { version = "0.8", features = ["net", "os-poll"] }
 rand = { version = "0.8", features = ["small_rng"] }
 rand_distr = "0.4"
 serde = { version = "1", features = ["derive"] }
diff --git a/aquatic_ws/Cargo.toml b/aquatic_ws/Cargo.toml
index e836dcb..7401f95 100644
--- a/aquatic_ws/Cargo.toml
+++ b/aquatic_ws/Cargo.toml
@@ -41,7 +41,7 @@ tungstenite = "0.15"
 # mio
 crossbeam-channel = { version = "0.5", optional = true }
 histogram = { version = "0.6", optional = true }
-mio = { version = "0.7", features = ["tcp", "os-poll", "os-util"], optional = true }
+mio = { version = "0.8", features = ["net", "os-poll"], optional = true }
 native-tls = { version = "0.2", optional = true }
 parking_lot = { version = "0.11", optional = true }
 socket2 = { version = "0.4", features = ["all"], optional = true }