diff --git a/fuzz/Cargo.lock b/fuzz/Cargo.lock
index bfc7f4383e8..3801fb4832a 100644
--- a/fuzz/Cargo.lock
+++ b/fuzz/Cargo.lock
@@ -1068,9 +1068,9 @@ checksum = "459427e2af2b9c839b132acb702a1c654d95e10f8c326bfc2ad11310e458b1c5"
 
 [[package]]
 name = "libfuzzer-sys"
-version = "0.4.10"
+version = "0.4.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5037190e1f70cbeef565bd267599242926f724d3b8a9f510fd7e0b540cfa4404"
+checksum = "f12a681b7dd8ce12bff52488013ba614b869148d54dd79836ab85aafdd53f08d"
 dependencies = [
  "arbitrary",
  "cc",