diff --git a/Cargo.lock b/Cargo.lock
index b100c56acdc..dd192767114 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -55,7 +55,7 @@ name = "backtrace-sys"
 version = "0.1.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cc 1.0.26 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cc 1.0.27 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.45 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -71,7 +71,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "cc"
-version = "1.0.26"
+version = "1.0.27"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -460,7 +460,7 @@ version = "6.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "cc 1.0.26 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cc 1.0.27 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -790,7 +790,7 @@ dependencies = [
 "checksum backtrace-sys 0.1.26 (registry+https://github.com/rust-lang/crates.io-index)" = "3fcce89e5ad5c8949caa9434501f7b55415b3e7ad5270cb88c75a8d35e8f1279"
 "checksum bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)" = "228047a76f468627ca71776ecdebd732a3423081fcf5125585bcd7c49886ce12"
 "checksum byteorder 1.2.7 (registry+https://github.com/rust-lang/crates.io-index)" = "94f88df23a25417badc922ab0f5716cc1330e87f71ddd9203b3a3ccd9cedf75d"
-"checksum cc 1.0.26 (registry+https://github.com/rust-lang/crates.io-index)" = "389803e36973d242e7fecb092b2de44a3d35ac62524b3b9339e51d577d668e02"
+"checksum cc 1.0.27 (registry+https://github.com/rust-lang/crates.io-index)" = "155ed195f7bd722d1dfeb30365b9d0c1f6a078fa7ca4014497e5935d90993d6f"
 "checksum cfg-if 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)" = "082bb9b28e00d3c9d39cc03e64ce4cea0f1bb9b3fde493f0cbc008472d22bdf4"
 "checksum clap 2.32.0 (registry+https://github.com/rust-lang/crates.io-index)" = "b957d88f4b6a63b9d70d5f454ac8011819c6efa7727858f458ab71c756ce2d3e"
 "checksum cloudabi 0.0.3 (registry+https://github.com/rust-lang/crates.io-index)" = "ddfc5b9aa5d4507acaf872de71051dfd0e309860e88966e1051e462a077aac4f"