diff --git a/workers/rust/Cargo.lock b/workers/rust/Cargo.lock
index 66afb2b..68f3eef 100644
--- a/workers/rust/Cargo.lock
+++ b/workers/rust/Cargo.lock
@@ -43,9 +43,9 @@ checksum = "8f42a60cbdf9a97f5d2305f08a87dc4e09308d1276d28c869c684d7777685682"
 
 [[package]]
 name = "libc"
-version = "0.2.184"
+version = "0.2.186"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "48f5d2a454e16a5ea0f4ced81bd44e4cfc7bd3a507b61887c99fd3538b28e4af"
+checksum = "68ab91017fe16c622486840e4c83c9a37afeff978bd239b5293d61ece587de66"
 
 [[package]]
 name = "memchr"