diff --git a/Cargo.lock b/Cargo.lock
index 490320e42..7d997b704 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1225,9 +1225,9 @@ dependencies = [
 
 [[package]]
 name = "mio"
-version = "0.8.3"
+version = "0.8.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "713d550d9b44d89174e066b7a6217ae06234c10cb47819a88290d2b353c31799"
+checksum = "57ee1c23c7c63b0c9250c339ffdc69255f110b298b901b9f6c82547b7b87caaf"
 dependencies = [
  "libc",
  "log",
diff --git a/crates/libcontainer/Cargo.toml b/crates/libcontainer/Cargo.toml
index c956e787e..a7e7103d9 100644
--- a/crates/libcontainer/Cargo.toml
+++ b/crates/libcontainer/Cargo.toml
@@ -27,7 +27,7 @@ fastrand = "1.7.0"
 futures = { version = "0.3", features = ["thread-pool"] }
 libc = "0.2.126"
 log = "0.4"
-mio = { version = "0.8.3", features = ["os-ext", "os-poll"] }
+mio = { version = "0.8.4", features = ["os-ext", "os-poll"] }
 nix = "0.24.1"
 oci-spec = { git = "https://github.com/containers/oci-spec-rs", rev = "6df620e", features = ["runtime"] }
 path-clean = "0.1.0"