diff --git a/Cargo.lock b/Cargo.lock
index 2b8c709..b7af2cf 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -225,9 +225,9 @@ checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 
 [[package]]
 name = "libc"
-version = "0.2.71"
+version = "0.2.74"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9457b06509d27052635f90d6466700c65095fdf75409b3fbdd903e988b886f49"
+checksum = "a2f02823cf78b754822df5f7f268fb59822e7296276d3e069d8e8cb26a14bd10"
 
 [[package]]
 name = "memchr"