diff --git a/Cargo.lock b/Cargo.lock
index 86261c7..2439053 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -254,11 +254,11 @@ dependencies = [
 
 [[package]]
 name = "nix"
-version = "0.26.4"
+version = "0.27.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "598beaf3cc6fdd9a5dfb1630c2800c7acd31df7aaf0f565796fba2b53ca1af1b"
+checksum = "2eb04e9c688eff1c89d72b407f168cf79bb9e867a9d3323ed6c01519eb9cc053"
 dependencies = [
- "bitflags 1.3.2",
+ "bitflags 2.4.0",
  "cfg-if",
  "libc",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index 95405da..8d9fd5c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -34,7 +34,7 @@ libc = "0.2.147"
 # Saves nontrivial unsafe and platform specific code (Darwin vs other Unixes,
 # MAX_PATH and more : consider it weak and something we can remove if expedient
 # later.
-nix = { version = "0.26.2", default-features = false, features = ["dir"] }
+nix = { version = "0.27.1", default-features = false, features = ["dir"] }
 
 [target.'cfg(windows)'.dependencies]
 aligned = "0.4.1"