diff --git a/Cargo.lock b/Cargo.lock
index f16024dd151..e370fef80f1 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1267,14 +1267,15 @@ checksum = "0debeb9fcf88823ea64d64e4a815ab1643f33127d995978e099942ce38f25238"
 
 [[package]]
 name = "nix"
-version = "0.20.0"
+version = "0.20.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fa9b4819da1bc61c0ea48b63b7bc8604064dd43013e7cc325df098d49cd7c18a"
+checksum = "f5e06129fb611568ef4e868c14b326274959aa70ff7776e9d55323531c374945"
 dependencies = [
  "bitflags",
  "cc",
  "cfg-if 1.0.0",
  "libc",
+ "memoffset",
 ]
 
 [[package]]
@@ -2930,6 +2931,7 @@ name = "wasmer-wasi-experimental-io-devices"
 version = "2.0.0"
 dependencies = [
  "minifb",
+ "nix",
  "ref_thread_local",
  "serde",
  "tracing",