diff --git a/Cargo.lock b/Cargo.lock
index 386c22fcf..cc603f42d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2030,9 +2030,9 @@ dependencies = [
 
 [[package]]
 name = "libc"
-version = "0.2.137"
+version = "0.2.139"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fc7fcc620a3bff7cdd7a365be3376c97191aeaccc2a603e600951e452615bf89"
+checksum = "201de327520df007757c1f0adce6e827fe8562fbc28bfd9c15571c66ca1f5f79"
 
 [[package]]
 name = "libm"