diff --git a/Cargo.lock b/Cargo.lock
index 757c928..8923901 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -809,9 +809,9 @@ dependencies = [
 
 [[package]]
 name = "libc"
-version = "0.2.174"
+version = "0.2.177"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1171693293099992e19cddea4e8b849964e9846f4acee11b3948bcc337be8776"
+checksum = "2874a2af47a2325c2001a6e6fad9b16a53b802102b528163885171cf92b15976"
 
 [[package]]
 name = "libredox"