diff --git a/Cargo.lock b/Cargo.lock
index eb5ac89f4..f9470c0df 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -586,7 +586,7 @@ dependencies = [
  "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "remain 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "remain 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "tempfile 3.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "vm-virtio 0.1.0",
  "vmm-sys-util 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -718,7 +718,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "remain"
-version = "0.2.0"
+version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "proc-macro2 1.0.8 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1289,7 +1289,7 @@ dependencies = [
 "checksum redox_users 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "4ecedbca3bf205f8d8f5c2b44d83cd0690e39ee84b951ed649e9f1841132b66d"
 "checksum regex 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)" = "ee84f70c8c08744ea9641a731c7fadb475bf2ecc52d7f627feb833e0b3990467"
 "checksum regex-syntax 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)" = "e734e891f5b408a29efbf8309e656876276f49ab6a6ac208600b4419bd893d90"
-"checksum remain 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7b1eea2acafe5bb02ba25d292b09a7ac52ec7674e135caf34048799e97c868ba"
+"checksum remain 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "99c861227fc40c8da6fdaa3d58144ac84c0537080a43eb1d7d45c28f88dcb888"
 "checksum remove_dir_all 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)" = "4a83fa3702a688b9359eccba92d153ac33fd2e8462f9e0e3fdf155239ea7792e"
 "checksum rust-argon2 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "4ca4eaef519b494d1f2848fc602d18816fed808a981aedf4f1f00ceb7c9d32cf"
 "checksum rustc-demangle 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)" = "4c691c0e608126e00913e33f0ccf3727d5fc84573623b8d65b2df340b5201783"
diff --git a/qcow/Cargo.toml b/qcow/Cargo.toml
index 7e2be9ebb..cabdc99c2 100644
--- a/qcow/Cargo.toml
+++ b/qcow/Cargo.toml
@@ -12,7 +12,7 @@ path = "src/qcow.rs"
 byteorder = "1.3.2"
 libc = "0.2.60"
 log = "0.4.8"
-remain = "0.2.0"
+remain = "0.2.1"
 vmm-sys-util = ">=0.3.1"
 vm-virtio = { path = "../vm-virtio" }