diff --git a/build/tasks/promises_aplus_tests.js b/build/tasks/promises_aplus_tests.js
index c634da5f7..5bd20ecdc 100644
--- a/build/tasks/promises_aplus_tests.js
+++ b/build/tasks/promises_aplus_tests.js
@@ -2,7 +2,8 @@ module.exports = function( grunt ) {
 
 	"use strict";
 
-	var spawnTest = require( "./lib/spawn_test.js" );
+	var timeout = 2000,
+		spawnTest = require( "./lib/spawn_test.js" );
 
 	grunt.registerTask( "promises_aplus_tests",
 		[ "promises_aplus_tests:deferred", "promises_aplus_tests:when" ] );
@@ -10,14 +11,16 @@ module.exports = function( grunt ) {
 	grunt.registerTask( "promises_aplus_tests:deferred", function() {
 		spawnTest( this.async(),
 			__dirname + "/../../node_modules/.bin/promises-aplus-tests" +
-				" test/promises_aplus_adapters/deferred.js"
+				" test/promises_aplus_adapters/deferred.js" +
+				" --timeout " + timeout
 		);
 	} );
 
 	grunt.registerTask( "promises_aplus_tests:when", function() {
 		spawnTest( this.async(),
 			__dirname + "/../../node_modules/.bin/promises-aplus-tests" +
-				" test/promises_aplus_adapters/when.js"
+				" test/promises_aplus_adapters/when.js" +
+				" --timeout " + timeout
 		);
 	} );
 };