diff --git a/package.json b/package.json
index 0708cef..030a8ab 100644
--- a/package.json
+++ b/package.json
@@ -49,7 +49,7 @@
     "chalk": "^1.1.3",
     "codecov.io": "^0.1.6",
     "console-group": "^0.3.1",
-    "eslint": "^2.13.1",
+    "eslint": "^3.12.2",
     "eslint-plugin-import": "^2.2.0",
     "is-reference": "^1.0.0",
     "istanbul": "^0.4.3",
@@ -59,14 +59,14 @@
     "mocha": "^3.0.0",
     "remap-istanbul": "^0.6.4",
     "require-relative": "^0.8.7",
-    "rollup": "^0.34.0",
-    "rollup-plugin-buble": "^0.12.1",
-    "rollup-plugin-commonjs": "^3.0.0",
+    "rollup": "^0.39.0",
+    "rollup-plugin-buble": "^0.13.0",
+    "rollup-plugin-commonjs": "^7.0.0",
     "rollup-plugin-json": "^2.0.0",
     "rollup-plugin-node-resolve": "^2.0.0",
     "rollup-plugin-replace": "^1.1.0",
     "rollup-plugin-string": "^2.0.0",
-    "sander": "^0.5.1",
+    "sander": "^0.6.0",
     "source-map": "^0.5.6",
     "sourcemap-codec": "^1.3.0",
     "uglify-js": "^2.6.2"
diff --git a/test/function/custom-external-resolver-async/_config.js b/test/function/custom-external-resolver-async/_config.js
index 50e54fa..834f757 100644
--- a/test/function/custom-external-resolver-async/_config.js
+++ b/test/function/custom-external-resolver-async/_config.js
@@ -1,6 +1,5 @@
 var path = require( 'path' );
 var assert = require( 'assert' );
-var Promise = require( 'sander' ).Promise;
 
 module.exports = {
 	description: 'uses a custom external path resolver (asynchronous)',
diff --git a/test/function/custom-path-resolver-async/_config.js b/test/function/custom-path-resolver-async/_config.js
index 3924db7..c471e02 100644
--- a/test/function/custom-path-resolver-async/_config.js
+++ b/test/function/custom-path-resolver-async/_config.js
@@ -6,7 +6,6 @@ module.exports = {
 	options: {
 		plugins: [{
 			resolveId: function ( importee, importer ) {
-				var Promise = require( 'sander' ).Promise;
 				var resolved;
 
 				if ( path.normalize(importee) === path.resolve( __dirname, 'main.js' ) ) return importee;