diff --git a/Cargo.lock b/Cargo.lock
index 23336eb7..390baf3c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -144,7 +144,7 @@ dependencies = [
 
 [[package]]
 name = "cc"
-version = "1.0.57"
+version = "1.0.58"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -418,7 +418,7 @@ name = "generator"
 version = "0.6.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cc 1.0.57 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cc 1.0.58 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.72 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -943,7 +943,7 @@ version = "0.9.58"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "autocfg 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "cc 1.0.57 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cc 1.0.58 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.72 (registry+https://github.com/rust-lang/crates.io-index)",
  "pkg-config 0.3.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "vcpkg 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1981,7 +1981,7 @@ dependencies = [
 "checksum byte-tools 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "e3b5ca7a04898ad4bcd41c90c5285445ff5b791899bb1b0abdd2a2aa791211d7"
 "checksum byteorder 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)" = "08c48aae112d48ed9f069b33538ea9e3e90aa263cfa3d1c24309612b1f7472de"
 "checksum bytes 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)" = "118cf036fbb97d0816e3c34b2d7a1e8cfc60f68fcf63d550ddbe9bd5f59c213b"
-"checksum cc 1.0.57 (registry+https://github.com/rust-lang/crates.io-index)" = "0fde55d2a2bfaa4c9668bbc63f531fbdeee3ffe188f4662511ce2c22b3eedebe"
+"checksum cc 1.0.58 (registry+https://github.com/rust-lang/crates.io-index)" = "f9a06fb2e53271d7c279ec1efea6ab691c35a2ae67ec0d91d7acec0caf13b518"
 "checksum cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)" = "4785bdd1c96b2a846b2bd7cc02e86b6b3dbf14e7e53446c4f54c92a361040822"
 "checksum chrono 0.4.13 (registry+https://github.com/rust-lang/crates.io-index)" = "c74d84029116787153e02106bf53e66828452a4b325cc8652b788b5967c0a0b6"
 "checksum cloudabi 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "4344512281c643ae7638bbabc3af17a11307803ec8f0fcad9fae512a8bf36467"