diff --git a/Cargo.lock b/Cargo.lock
index eecf7ce..a98e23a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1365,9 +1365,9 @@ checksum = "bbd2bcb4c963f2ddae06a2efc7e9f3591312473c50c6685e1f298068316e66fe"
 
 [[package]]
 name = "libc"
-version = "0.2.186"
+version = "0.2.187"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "68ab91017fe16c622486840e4c83c9a37afeff978bd239b5293d61ece587de66"
+checksum = "a7743783ea728ef5c31194c6590797eed286449b4a4e87d626d8a51f0a94e732"
 
 [[package]]
 name = "libm"