diff --git a/fuzz/Cargo.lock b/fuzz/Cargo.lock
index f05a360..d19ceb2 100644
--- a/fuzz/Cargo.lock
+++ b/fuzz/Cargo.lock
@@ -634,7 +634,7 @@ dependencies = [
  "mm",
  "net",
  "nilix-syz-fuzzer",
- "nix",
+ "nix 0.31.3",
  "rand",
  "serde",
  "serde_json",
@@ -653,7 +653,7 @@ dependencies = [
  "hex",
  "hmac",
  "memmap2",
- "nix",
+ "nix 0.29.0",
  "rand",
  "serde",
  "serde_json",
@@ -674,6 +674,18 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "nix"
+version = "0.31.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cf20d2fde8ff38632c426f1165ed7436270b44f199fc55284c38276f9db47c3d"
+dependencies = [
+ "bitflags",
+ "cfg-if",
+ "cfg_aliases",
+ "libc",
+]
+
 [[package]]
 name = "once_cell"
 version = "1.21.4"
diff --git a/fuzz/Cargo.toml b/fuzz/Cargo.toml
index 0ab2b71..4b574a6 100644
--- a/fuzz/Cargo.toml
+++ b/fuzz/Cargo.toml
@@ -38,7 +38,7 @@ kernel_core = { path = "../kernel/kernel_core" }
 anyhow = { version = "1.0", optional = true }
 nilix-syz-fuzzer = { path = "../userspace/nilix-syz-fuzzer", optional = true }
 tempfile = { version = "3.0", optional = true }
-nix = { version = "0.29", features = ["signal"], optional = true }
+nix = { version = "0.31", features = ["signal"], optional = true }
 hex = { version = "0.4", optional = true }
 sha2 = { version = "0.10", optional = true }
 rand = { version = "0.8", optional = true }