diff --git a/Cargo.lock b/Cargo.lock
index e7bd0a8..a2c9dc1 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -450,9 +450,9 @@ checksum = "09edd9e8b54e49e587e4f6295a7d29c3ea94d469cb40ab8ca70b288248a81db2"
 
 [[package]]
 name = "libc"
-version = "0.2.187"
+version = "0.2.188"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a7743783ea728ef5c31194c6590797eed286449b4a4e87d626d8a51f0a94e732"
+checksum = "22053b6a34f84abc97f9129e61334f40174659a1b9bd18c970b83db6a9a6348b"
 
 [[package]]
 name = "link-section"