diff --git a/Cargo.lock b/Cargo.lock
index 6a326ddb5..26de0e826 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3101,9 +3101,9 @@ dependencies = [
 
 [[package]]
 name = "libz-sys"
-version = "1.1.16"
+version = "1.1.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5e143b5e666b2695d28f6bca6497720813f699c9602dd7f5cac91008b8ada7f9"
+checksum = "d2d16453e800a8cf6dd2fc3eb4bc99b786a9b90c663b8559a5b1a041bf89e472"
 dependencies = [
  "cc",
  "libc",