diff --git a/Cargo.lock b/Cargo.lock
index 35503dd..b1acc7f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -327,9 +327,9 @@ dependencies = [
 
 [[package]]
 name = "libc"
-version = "0.2.106"
+version = "0.2.138"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a60553f9a9e039a333b4e9b20573b9e9b9c0bb3a11e201ccc48ef4283456d673"
+checksum = "db6d7e329c562c5dfab7a46a2afabc8b987ab9a4834c9d1ca04dc54c1546cef8"
 
 [[package]]
 name = "log"