diff --git a/Cargo.lock b/Cargo.lock
index d9d9a19c..96aa356c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3623,9 +3623,9 @@ dependencies = [
 
 [[package]]
 name = "libz-sys"
-version = "1.1.30"
+version = "1.1.31"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f710a23e6dbf193214fd46ca56a9d6864e550abe86202184532ae7275e46de19"
+checksum = "ff20308ecabd635a2dc1dd5834a86c462cca20efba1d5d3ddab1f8aea3455cb2"
 dependencies = [
  "cc",
  "libc",