diff --git a/kernel/Cargo.lock b/kernel/Cargo.lock
index 28447a3..a4eacbc 100644
--- a/kernel/Cargo.lock
+++ b/kernel/Cargo.lock
@@ -85,7 +85,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 [[package]]
 name = "bitvec"
 version = "0.11.0"
-source = "git+https://github.com/myrrlyn/bitvec.git#f6e1fbed95061955d96617dfed6c112ffba45a7e"
+source = "git+https://github.com/myrrlyn/bitvec.git#ed2aec38bfb5b1116e3585b1574c50655b9c85ec"
 
 [[package]]
 name = "bootloader"
diff --git a/kernel/src/syscall/fs.rs b/kernel/src/syscall/fs.rs
index 7e52e7b..1ef806e 100644
--- a/kernel/src/syscall/fs.rs
+++ b/kernel/src/syscall/fs.rs
@@ -10,7 +10,7 @@ use crate::fs::*;
 use crate::memory::MemorySet;
 use crate::sync::Condvar;
 
-use bitvec::{BitSlice, BitVec, LittleEndian};
+use bitvec::prelude::{BitSlice, BitVec, LittleEndian};
 
 use super::*;