diff --git a/Cargo.lock b/Cargo.lock
index a9886cb..e5d7206 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -543,7 +543,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "nix"
-version = "0.12.0"
+version = "0.12.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1027,7 +1027,7 @@ dependencies = [
  "dlib 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "memmap 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "nix 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "nix 0.12.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "wayland-client 0.21.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "wayland-commons 0.21.11 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1106,7 +1106,7 @@ dependencies = [
  "bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "downcast-rs 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.74 (registry+https://github.com/rust-lang/crates.io-index)",
- "nix 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "nix 0.12.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "wayland-commons 0.21.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "wayland-scanner 0.21.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "wayland-sys 0.21.11 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1117,7 +1117,7 @@ name = "wayland-commons"
 version = "0.21.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "nix 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "nix 0.12.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "wayland-sys 0.21.11 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1289,7 +1289,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum memmap 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "6585fd95e7bb50d6cc31e20d4cf9afb4e2ba16c5846fc76793f11218da9c475b"
 "checksum memoffset 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "0f9dc261e2b62d7a622bf416ea3c5245cdd5d9a7fcc428c0d06804dfce1775b3"
 "checksum nd_iter 0.0.4 (registry+https://github.com/rust-lang/crates.io-index)" = "97626c51c0b9be5ef11f865f85b6d4fc00c59e96284d181b3a4c3710486de889"
-"checksum nix 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)" = "921f61dc817b379d0834e45d5ec45beaacfae97082090a49c2cf30dcbc30206f"
+"checksum nix 0.12.1 (registry+https://github.com/rust-lang/crates.io-index)" = "319fffb13b63c0f4ff5a4e1c97566e7e741561ff5d03bf8bbf11653454bbd70b"
 "checksum nodrop 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)" = "2f9667ddcc6cc8a43afc9b7917599d7216aa09c463919ea32c59ed6cac8bc945"
 "checksum num 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "cf4825417e1e1406b3782a8ce92f4d53f26ec055e3622e1881ca8e9f5f9e08db"
 "checksum num-bigint 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "57450397855d951f1a41305e54851b1a7b8f5d2e349543a02a2effe25459f718"