diff --git a/Cargo.toml b/Cargo.toml
index da68a3e725..d6229d164a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -59,7 +59,7 @@ features = ["c_api"]
 sc = "0.2.3"
 
 [target.'cfg(target_os = "redox")'.dependencies]
-redox_syscall = "0.5.1"
+redox_syscall = "0.5.2"
 redox-rt = { path = "redox-rt" }
 redox-path = "0.2"
 redox_event = { git = "https://gitlab.redox-os.org/redox-os/event.git", default-features = false, features = ["redox_syscall"] }