diff --git a/Cargo.lock b/Cargo.lock
index 0f16f4330..1c29fa0f5 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -826,9 +826,9 @@ checksum = "3576a87f2ba00f6f106fdfcd16db1d698d648a26ad8e0573cad8537c3c362d2a"
 
 [[package]]
 name = "libc"
-version = "0.2.70"
+version = "0.2.72"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3baa92041a6fec78c687fa0cc2b3fae8884f743d672cf551bed1d6dac6988d0f"
+checksum = "a9f8082297d534141b30c8d39e9b1773713ab50fdbe4ff30f750d063b3bfd701"
 
 [[package]]
 name = "libloading"
@@ -954,6 +954,7 @@ dependencies = [
  "bitflags 1.2.1",
  "byteorder",
  "cc",
+ "cfg-if",
  "lazy_static",
  "libc",
  "libloading 0.6.2",