diff --git a/Cargo.lock b/Cargo.lock
index f432b2445..61ab88d75 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1994,9 +1994,9 @@ dependencies = [
 
 [[package]]
 name = "libc"
-version = "0.2.134"
+version = "0.2.137"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "329c933548736bc49fd575ee68c89e8be4d260064184389a5b77517cddd99ffb"
+checksum = "fc7fcc620a3bff7cdd7a365be3376c97191aeaccc2a603e600951e452615bf89"
 
 [[package]]
 name = "libm"