diff --git a/Cargo.lock b/Cargo.lock
index 72de9b6..1e19f46 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -74,33 +74,6 @@ version = "1.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "08c48aae112d48ed9f069b33538ea9e3e90aa263cfa3d1c24309612b1f7472de"
 
-[[package]]
-name = "bzip2"
-version = "0.3.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "42b7c3cbf0fa9c1b82308d57191728ca0256cb821220f4e2fd410a72ade26e3b"
-dependencies = [
- "bzip2-sys",
- "libc",
-]
-
-[[package]]
-name = "bzip2-sys"
-version = "0.1.9+1.0.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ad3b39a260062fca31f7b0b12f207e8f2590a67d32ec7d59c20484b07ea7285e"
-dependencies = [
- "cc",
- "libc",
- "pkg-config",
-]
-
-[[package]]
-name = "cc"
-version = "1.0.54"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7bbb73db36c1246e9034e307d0fba23f9a2e251faa47ade70c1bd252220c8311"
-
 [[package]]
 name = "cfg-if"
 version = "0.1.9"
@@ -302,12 +275,6 @@ version = "2.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "06de47b848347d8c4c94219ad8ecd35eb90231704b067e67e6ae2e36ee023510"
 
-[[package]]
-name = "pkg-config"
-version = "0.3.17"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "05da548ad6865900e60eaba7f589cc0783590a92e940c26953ff81ddbab2d677"
-
 [[package]]
 name = "podio"
 version = "0.1.7"
@@ -483,16 +450,6 @@ dependencies = [
  "lazy_static",
 ]
 
-[[package]]
-name = "time"
-version = "0.1.43"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ca8a50ef2360fbd1eeb0ecd46795a87a19024eb4b53c5dc916ca1fd95fe62438"
-dependencies = [
- "libc",
- "winapi",
-]
-
 [[package]]
 name = "unicode-segmentation"
 version = "1.6.0"
@@ -560,9 +517,7 @@ version = "0.5.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6df134e83b8f0f8153a094c7b0fd79dfebe437f1d76e7715afa18ed95ebe2fd7"
 dependencies = [
- "bzip2",
  "crc32fast",
  "flate2",
  "podio",
- "time",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index 1ceb2c6..0da4b57 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -12,5 +12,5 @@ nom = "5.1.1"
 num-derive = "0.3"
 num-traits = "0.2"
 pretty_env_logger = "0.4"
-zip = "0.5.5"
+zip = { version = "0.5.5", default-features = false, features = ["deflate"] }
 clap = "3.0.0-beta.1"