diff --git a/Cargo.lock b/Cargo.lock
index 3f359aba8..5ceb4363d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -462,9 +462,9 @@ dependencies = [
 
 [[package]]
 name = "libz-sys"
-version = "1.1.5"
+version = "1.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6f35facd4a5673cb5a48822be2be1d4236c1c99cb4113cab7061ac720d5bf859"
+checksum = "92e7e15d7610cce1d9752e137625f14e61a28cd45929b6e12e47b50fe154ee2e"
 dependencies = [
  "cc",
  "libc",