diff --git a/Cargo.toml b/Cargo.toml
index 4091c9e7..7c4cb448 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -15,7 +15,7 @@ exclude = [".clippy.toml", ".githooks/*", ".gitignore", ".github/*", "Makefile"]
 
 [dependencies]
 bitflags = "2.3.3"
-nix = "0.26.0"
+nix = {version = "0.27.1", features=["fs", "ioctl", "mount"]}
 env_logger="0.10.0"
 semver = "1.0.0"
 serde = "1.0.60"
diff --git a/src/testing/loopbacked.rs b/src/testing/loopbacked.rs
index 520ae5f0..9bb248b1 100644
--- a/src/testing/loopbacked.rs
+++ b/src/testing/loopbacked.rs
@@ -5,7 +5,6 @@
 use std::{
     fs::OpenOptions,
     io::{self, Seek, SeekFrom, Write},
-    os::unix::io::AsRawFd,
     panic,
     path::{Path, PathBuf},
 };
@@ -100,7 +99,7 @@ fn get_devices(count: u8, dir: &TempDir) -> Vec<LoopTestDev> {
             .open(&path)
             .unwrap();
 
-        nix::unistd::ftruncate(f.as_raw_fd(), IEC::Gi as nix::libc::off_t).unwrap();
+        nix::unistd::ftruncate(&f, IEC::Gi as nix::libc::off_t).unwrap();
         f.sync_all().unwrap();
 
         let ltd = LoopTestDev::new(&lc, &path);