diff --git a/Cargo.toml b/Cargo.toml
index 1e7f581..1737da4 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -18,7 +18,7 @@ default-members = [ "." ]
 lto = true
 
 [dependencies]
-nix = { version = "0.26", optional = true }
+nix = { version = "0.27", optional = true }
 libc = "0.2"
 log = "0.4"
 serde = { version = "1.0", features = ["derive"] }
diff --git a/nsm-test/Cargo.toml b/nsm-test/Cargo.toml
index f446774..eac1468 100644
--- a/nsm-test/Cargo.toml
+++ b/nsm-test/Cargo.toml
@@ -12,7 +12,7 @@ serde_bytes = "0.11"
 serde_cbor = "0.11"
 aws-nitro-enclaves-nsm-api = { path = "../" }
 nsm-lib = { path = "../nsm-lib" }
-nix = "0.26"
+nix = "0.27"
 threadpool = "1.7"
 signal-hook = "0.3"
 vsock = "0.3"