diff --git a/lib/index.js b/lib/index.js
index b53a232..1869155 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -1,7 +1,7 @@
 module.exports = resolvePkg;
 module.exports.sync = sync;
 
-var fs = require('then-fs');
+var fs = require('promisify-fs');
 var path = require('path');
 var debug = require('debug')('snyk:resolve');
 
diff --git a/package.json b/package.json
index 7de1fb0..e2c8da4 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,7 @@
   "license": "Apache-2.0",
   "dependencies": {
     "debug": "^4.1.1",
-    "then-fs": "^2.0.0"
+    "promisify-fs": "^1.0.39"
   },
   "devDependencies": {
     "es6-promise": "^4.2.8",
diff --git a/test/index.test.js b/test/index.test.js
index ecad505..d206f62 100644
--- a/test/index.test.js
+++ b/test/index.test.js
@@ -31,7 +31,7 @@ var fs = {
 };
 
 var resolve = proxyquire('../lib/index', {
-  'then-fs': fs,
+  'promisify-fs': fs,
 });
 
 test('resolve immediately', function (t) {
@@ -140,4 +140,4 @@ test('resolve works with scoped packages', function (t) {
   });
 
   t.equal(resolve.sync('@remy/foo', base), path.dirname(target), 'sync scoped matches');
-});
\ No newline at end of file
+});