diff --git a/Cargo.lock b/Cargo.lock
index 6c7f02e..cea89db 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -158,9 +158,9 @@ checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 
 [[package]]
 name = "libc"
-version = "0.2.153"
+version = "0.2.154"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9c198f91728a82281a64e1f4f9eeb25d82cb32a5de251c6bd1b5154d63a8e7bd"
+checksum = "ae743338b92ff9146ce83992f766a31066a91a8c84a45e0e9f21e7cf6de6d346"
 
 [[package]]
 name = "linux-raw-sys"
diff --git a/Cargo.toml b/Cargo.toml
index c1bd646..9b4e9d6 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -16,7 +16,7 @@ include = ["src/**/*", "Cargo.toml", "LICENSE*", "COPYRIGHT"]
 unicode-width = "0.1.11"
 
 [target.'cfg(unix)'.dependencies]
-libc = "0.2.153"
+libc = "0.2.154"
 
 [target.'cfg(windows)'.dependencies]
 winapi = { version = "0.3.9", default-features = false, features = ["wincon"] }