diff --git a/Cargo.lock b/Cargo.lock
index 7622d30fa..716603fda 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -453,9 +453,9 @@ dependencies = [
 
 [[package]]
 name = "libz-sys"
-version = "1.1.3"
+version = "1.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "de5435b8549c16d423ed0c03dbaafe57cf6c3344744f1242520d59c9d8ecec66"
+checksum = "df2bf61678a0a521c3f7daf815d2e6717d85a272a7dcd02c9768272b32bd1e2a"
 dependencies = [
  "cc",
  "libc",