diff --git a/Cargo.toml b/Cargo.toml
index d1f831b..cd4ab7f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -34,7 +34,7 @@ libc = "0.2"
 xattr = { version = "0.2", optional = true }
 
 [target.'cfg(target_os = "redox")'.dependencies]
-redox_syscall = "0.2"
+redox_syscall = "0.5"
 
 [features]
 default = [ "xattr" ]