diff --git a/Cargo.lock b/Cargo.lock
index 3a425671d5..933affefe1 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,14 +1,14 @@
 [[package]]
 name = "redox_syscall"
-version = "0.1.32"
+version = "0.1.40"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "zerod"
 version = "0.1.0"
 dependencies = [
- "redox_syscall 0.1.32 (registry+https://github.com/rust-lang/crates.io-index)",
+ "redox_syscall 0.1.40 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [metadata]
-"checksum redox_syscall 0.1.32 (registry+https://github.com/rust-lang/crates.io-index)" = "ab105df655884ede59d45b7070c8a65002d921461ee813a024558ca16030eea0"
+"checksum redox_syscall 0.1.40 (registry+https://github.com/rust-lang/crates.io-index)" = "c214e91d3ecf43e9a4e41e578973adeb14b474f2bee858742d127af75a0112b1"