diff --git a/Cargo.lock b/Cargo.lock
index c48f3f9aa..9d8944f8c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1196,9 +1196,9 @@ dependencies = [
 
 [[package]]
 name = "libz-sys"
-version = "1.1.12"
+version = "1.1.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d97137b25e321a73eef1418d1d5d2eda4d77e12813f8e6dead84bc52c5870a7b"
+checksum = "037731f5d3aaa87a5675e895b63ddff1a87624bc29f77004ea829809654e48f6"
 dependencies = [
  "cc",
  "libc",