diff --git a/Cargo.lock b/Cargo.lock
index 71649a6..28f61d3 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -50,7 +50,7 @@ dependencies = [
  "anyhow",
  "dirs-next",
  "flate2",
- "fs2",
+ "fs4",
  "hex",
  "is_executable",
  "siphasher",
@@ -66,6 +66,12 @@ version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
 
+[[package]]
+name = "bitflags"
+version = "2.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b4682ae6287fcf752ecaabbfcc7b6f9b72aa33933dc23a554d853aea8eea8635"
+
 [[package]]
 name = "block-buffer"
 version = "0.10.4"
@@ -270,13 +276,13 @@ dependencies = [
 ]
 
 [[package]]
-name = "fs2"
-version = "0.4.3"
+name = "fs4"
+version = "0.6.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9564fc758e15025b46aa6643b1b77d047d1a56a1aea6e01002ac0c7026876213"
+checksum = "2eeb4ed9e12f43b7fa0baae3f9cdda28352770132ef2e09a23760c29cae8bd47"
 dependencies = [
- "libc",
- "winapi",
+ "rustix 0.38.3",
+ "windows-sys",
 ]
 
 [[package]]
@@ -399,6 +405,12 @@ version = "0.3.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ef53942eb7bf7ff43a617b3e2c1c4a5ecf5944a7c1bc12d7ee39bbb15e5c1519"
 
+[[package]]
+name = "linux-raw-sys"
+version = "0.4.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1a9bad9f94746442c783ca431b22403b519cd7fbeed0533fdd6328b2f2212128"
+
 [[package]]
 name = "log"
 version = "0.4.19"
@@ -485,7 +497,7 @@ version = "0.2.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fb5a58c1855b4b6819d59012155603f0b22ad30cad752600aadfcb695265519a"
 dependencies = [
- "bitflags",
+ "bitflags 1.3.2",
 ]
 
 [[package]]
@@ -494,7 +506,7 @@ version = "0.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "567664f262709473930a4bf9e51bf2ebf3348f2e748ccc50dea20646858f8f29"
 dependencies = [
- "bitflags",
+ "bitflags 1.3.2",
 ]
 
 [[package]]
@@ -529,11 +541,24 @@ version = "0.37.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b96e891d04aa506a6d1f318d2771bcb1c7dfda84e126660ace067c9b474bb2c0"
 dependencies = [
- "bitflags",
+ "bitflags 1.3.2",
  "errno",
  "io-lifetimes",
  "libc",
- "linux-raw-sys",
+ "linux-raw-sys 0.3.8",
+ "windows-sys",
+]
+
+[[package]]
+name = "rustix"
+version = "0.38.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ac5ffa1efe7548069688cd7028f32591853cd7b5b756d41bcffd2353e4fc75b4"
+dependencies = [
+ "bitflags 2.4.0",
+ "errno",
+ "libc",
+ "linux-raw-sys 0.4.7",
  "windows-sys",
 ]
 
@@ -647,7 +672,7 @@ dependencies = [
  "cfg-if",
  "fastrand",
  "redox_syscall 0.3.5",
- "rustix",
+ "rustix 0.37.20",
  "windows-sys",
 ]
 
diff --git a/Cargo.toml b/Cargo.toml
index 0577cbd..6706a56 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -14,7 +14,7 @@ anyhow = "1.0"
 ureq = "2.6"
 dirs-next = "2.0.0"
 flate2 = "1.0"
-fs2 = "0.4"
+fs4 = "0.6.6"
 hex = "0.4"
 is_executable = "0.1"
 siphasher = "0.3"
diff --git a/src/lib.rs b/src/lib.rs
index 783ee60..9168055 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,7 +1,7 @@
 //! Utilities for finding and installing binaries that we depend on.
 
 use anyhow::{anyhow, bail, Context, Result};
-use fs2::FileExt;
+use fs4::FileExt;
 use siphasher::sip::SipHasher13;
 use std::collections::HashSet;
 use std::env;