diff --git a/Cargo.lock b/Cargo.lock
index e7b4326..db8e6d9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -868,9 +868,9 @@ dependencies = [
 
 [[package]]
 name = "mio"
-version = "0.8.9"
+version = "0.8.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3dce281c5e46beae905d4de1870d8b1509a9142b62eedf18b443b011ca8343d0"
+checksum = "a4a650543ca06a924e8b371db273b2756685faae30f8487da1b56505a8f78b0c"
 dependencies = [
  "libc",
  "log",
@@ -1332,9 +1332,9 @@ dependencies = [
 
 [[package]]
 name = "shlex"
-version = "1.2.0"
+version = "1.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a7cee0529a6d40f580e7a5e6c495c8fbfe21b7b52795ed4bb5e62cdf92bc6380"
+checksum = "0fda2ff0d084019ba4d7c6f371c95d8fd75ce3524c3cb8fb653a3023f6323e64"
 
 [[package]]
 name = "spin"
diff --git a/Cargo.toml b/Cargo.toml
index f1e8414..835cc76 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -53,7 +53,7 @@ clap = { version = "4.4.10", features = ["derive"] }
 serde = { version = "1.0.193", features = ["derive"] }
 arbitrary = { version = "1.3.2", features = ["derive"] }
 anyhow = { version = "1.0.75", features = ["backtrace", "std"] }
-mio = { version = "0.8.9", features = ["net", "os-poll"] }
+mio = { version = "0.8.11", features = ["net", "os-poll"] }
 oqs-sys = { version = "0.8", default-features = false, features = ['classic_mceliece', 'kyber']  }
 blake2 = "0.10.6"
 chacha20poly1305 = { version = "0.10.1", default-features = false, features = [ "std", "heapless" ] }