diff --git a/Cargo.lock b/Cargo.lock
index 7eb54c501..69ba9be99 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -570,6 +570,7 @@ dependencies = [
  "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "crc32fast 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libz-sys 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)",
  "miniz_oxide 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -892,6 +893,17 @@ dependencies = [
  "quick-error 1.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "libz-sys"
+version = "1.0.25"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "cc 1.0.48 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
+ "pkg-config 0.3.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "vcpkg 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "linked-hash-map"
 version = "0.2.1"
@@ -3010,6 +3022,7 @@ dependencies = [
 "checksum lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 "checksum libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)" = "d515b1f41455adea1313a4a2ac8a8a477634fbae63cc6100e3aebb207ce61558"
 "checksum libmount 0.1.15 (registry+https://github.com/rust-lang/crates.io-index)" = "23c4c2ad2d5cbd2f5a05620c3daf45930add53ec207fa99ce5eec971089dc35f"
+"checksum libz-sys 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)" = "2eb5e43362e38e2bca2fd5f5134c4d4564a23a5c28e9b95411652021a8675ebe"
 "checksum linked-hash-map 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "bda158e0dabeb97ee8a401f4d17e479d6b891a14de0bba79d5cc2d4d325b5e48"
 "checksum local-encoding 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "e1ceb20f39ff7ae42f3ff9795f3986b1daad821caaa1e1732a0944103a5a1a66"
 "checksum lock_api 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "e57b3997725d2b60dbec1297f6c2e2957cc383db1cebd6be812163f969c7d586"
diff --git a/Cargo.toml b/Cargo.toml
index 64838c66f..50cbdd717 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -132,6 +132,7 @@ s3 = ["chrono", "hyper", "hyperx", "reqwest", "simple-s3", "hmac", "sha-1"]
 simple-s3 = []
 gcs = ["chrono", "hyper", "hyperx", "reqwest", "untrusted", "url"]
 memcached = ["memcached-rs"]
+native-zlib = ["zip/deflate-zlib"]
 # Enable features that require unstable features of Nightly Rust.
 unstable = []
 # Enables distributed support in the sccache client