diff --git a/Cargo.lock b/Cargo.lock
index 3e83d53..3dc568c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -322,9 +322,9 @@ dependencies = [
 
 [[package]]
 name = "cc"
-version = "1.2.18"
+version = "1.2.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "525046617d8376e3db1deffb079e91cef90a89fc3ca5c185bbf8c9ecdd15cd5c"
+checksum = "8691782945451c1c383942c4874dbe63814f61cb57ef773cda2972682b7bb3c0"
 dependencies = [
  "jobserver",
  "libc",