diff --git a/Cargo.lock b/Cargo.lock
index ae67444..5e30a69 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -28,9 +28,9 @@ checksum = "68ab91017fe16c622486840e4c83c9a37afeff978bd239b5293d61ece587de66"
 
 [[package]]
 name = "nix"
-version = "0.29.0"
+version = "0.31.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "71e2746dc3a24dd78b3cfcb7be93368c6de9963d30f43a6a73998a9cf4b17b46"
+checksum = "cf20d2fde8ff38632c426f1165ed7436270b44f199fc55284c38276f9db47c3d"
 dependencies = [
  "bitflags",
  "cfg-if",
diff --git a/Cargo.toml b/Cargo.toml
index 1fc2271..982ddd9 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -40,7 +40,7 @@ name = "mt-shellcode-sim"
 path = "src/bin/mt_shellcode_sim.rs"
 
 [dependencies]
-nix = { version = "0.29", features = ["ptrace", "process", "signal"] }
+nix = { version = "0.31", features = ["ptrace", "process", "signal"] }
 libc = "0.2"
 
 [profile.release]