diff --git a/Cargo.lock b/Cargo.lock
index 4e1f3d3ee..c1f614411 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -438,9 +438,9 @@ dependencies = [
 
 [[package]]
 name = "cc"
-version = "1.1.19"
+version = "1.1.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2d74707dde2ba56f86ae90effb3b43ddd369504387e718014de010cec7959800"
+checksum = "07b1695e2c7e8fc85310cde85aeaab7e3097f593c91d209d3f9df76c928100f0"
 dependencies = [
  "jobserver",
  "libc",