diff --git a/package.json b/package.json
index c96d766c..2a185e32 100644
--- a/package.json
+++ b/package.json
@@ -94,6 +94,7 @@
   "devDependencies": {
     "async": "^2.6.0",
     "cc": "^1.0.2",
+    "decompress-zip": "^0.3.1",
     "documentation": "^6.2.0",
     "exif-reader": "^1.0.2",
     "icc": "^1.0.0",
@@ -102,8 +103,7 @@
     "prebuild": "^7.4.0",
     "prebuild-ci": "^2.2.3",
     "rimraf": "^2.6.2",
-    "semistandard": "^12.0.1",
-    "unzip": "^0.1.11"
+    "semistandard": "^12.0.1"
   },
   "license": "Apache-2.0",
   "config": {
diff --git a/test/unit/tile.js b/test/unit/tile.js
index 7fd138c0..1bbcf953 100644
--- a/test/unit/tile.js
+++ b/test/unit/tile.js
@@ -6,7 +6,7 @@ const assert = require('assert');
 
 const eachLimit = require('async/eachLimit');
 const rimraf = require('rimraf');
-const unzip = require('unzip');
+const DecompressZip = require('decompress-zip');
 
 const sharp = require('../../');
 const fixtures = require('../fixtures');
@@ -427,16 +427,14 @@ describe('Tile', function () {
             if (err) throw err;
             assert.strictEqual(true, stat.isFile());
             assert.strictEqual(true, stat.size > 0);
-            fs.createReadStream(container)
-              .pipe(unzip.Extract({
-                path: path.dirname(extractTo)
-              }))
+            new DecompressZip(container)
+              .on('extract', function () {
+                assertDeepZoomTiles(directory, 256, 13, done);
+              })
               .on('error', function (err) {
                 throw err;
               })
-              .on('close', function () {
-                assertDeepZoomTiles(directory, 256, 13, done);
-              });
+              .extract({ path: path.dirname(extractTo) });
           });
         });
     });
@@ -463,16 +461,14 @@ describe('Tile', function () {
             if (err) throw err;
             assert.strictEqual(true, stat.isFile());
             assert.strictEqual(true, stat.size > 0);
-            fs.createReadStream(container)
-              .pipe(unzip.Extract({
-                path: path.dirname(extractTo)
-              }))
+            new DecompressZip(container)
+              .on('extract', function () {
+                assertDeepZoomTiles(directory, 256, 13, done);
+              })
               .on('error', function (err) {
                 throw err;
               })
-              .on('close', function () {
-                assertDeepZoomTiles(directory, 256, 13, done);
-              });
+              .extract({ path: path.dirname(extractTo) });
           });
         });
     });