diff --git a/Cargo.lock b/Cargo.lock
index 7c05ba7b..a6009a97 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -236,9 +236,9 @@ checksum = "fc652a48c352aef3ea3aed32080501cf3ef6ed5da78602a020c991775b0aff04"
 
 [[package]]
 name = "cc"
-version = "1.4.6"
+version = "1.4.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a3eb0f42d6c360dc3f8a821f6bf2fdea7f72bfd36b3076eb0e6d1e9e0752fff4"
+checksum = "54413ede23c2daf518f35156dfde027feb2374004d63bd497f983c8db9c0e313"
 dependencies = [
  "find-msvc-tools",
  "shlex",
@@ -519,9 +519,9 @@ checksum = "da7c62ceae207dd37ea5b845da6a0696c799f85e97da1ab5b7910be3c1c80223"
 
 [[package]]
 name = "find-msvc-tools"
-version = "0.1.12"
+version = "0.1.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3e0f1c7c3a72c66fd80abe965175f7523475c0489a87d3ff9d6e8c87d87a9d2d"
+checksum = "ef25905e51abafe4dcea6c15fec58c57b601cdbd0ee53d22ea1d3016c587d39b"
 
 [[package]]
 name = "fixedbitset"