diff --git a/Cargo.lock b/Cargo.lock
index 827cbde..d592644 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1080,6 +1080,18 @@ dependencies = [
  "memoffset",
 ]
 
+[[package]]
+name = "nix"
+version = "0.31.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5d6d0705320c1e6ba1d912b5e37cf18071b6c2e9b7fa8215a1e8a7651966f5d3"
+dependencies = [
+ "bitflags 2.11.1",
+ "cfg-if",
+ "cfg_aliases",
+ "libc",
+]
+
 [[package]]
 name = "nom"
 version = "7.1.3"
@@ -1562,7 +1574,7 @@ name = "rtcom-core"
 version = "0.2.1"
 dependencies = [
  "bytes",
- "nix 0.29.0",
+ "nix 0.31.2",
  "serialport",
  "tempfile",
  "thiserror 1.0.69",
diff --git a/Cargo.toml b/Cargo.toml
index 390f4ae..7bdb8b8 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -15,7 +15,7 @@ tokio = { version = "1", features = ["full"] }
 serialport = "4"
 tokio-serial = "5.4"
 tokio-util = { version = "0.7", features = ["rt"] }
-nix = { version = "0.29", default-features = false, features = ["signal"] }
+nix = { version = "0.31", default-features = false, features = ["signal"] }
 tempfile = "3"
 assert_cmd = "2"
 predicates = "3"