diff --git a/Cargo.lock b/Cargo.lock
index ee130b377..4834d4a88 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1007,9 +1007,9 @@ dependencies = [
 
 [[package]]
 name = "libz-sys"
-version = "1.1.9"
+version = "1.1.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "56ee889ecc9568871456d42f603d6a0ce59ff328d291063a45cbdf0036baf6db"
+checksum = "d97137b25e321a73eef1418d1d5d2eda4d77e12813f8e6dead84bc52c5870a7b"
 dependencies = [
  "cc",
  "libc",