diff --git a/Cargo.toml b/Cargo.toml
index 9068fdf18b..7f502665fc 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -26,7 +26,7 @@ libc = "0.2.66"
 failure = "0.1.6"
 rand = "0.7.2"
 redox_pkgutils = "0.1.5"
-redoxfs = "0.3.7"
+redoxfs = "0.4.0"
 rust-argon2 = "0.6.0"
 serde = "1.0.103"
 serde_derive = "1.0.103"