diff --git a/test/DirectoryWatcher.test.js b/test/DirectoryWatcher.test.js
index 4af405a..1179368 100644
--- a/test/DirectoryWatcher.test.js
+++ b/test/DirectoryWatcher.test.js
@@ -55,7 +55,7 @@ describe("DirectoryWatcher", function() {
 	it("should detect a file change", function(done) {
 		var d = new DirectoryWatcher(fixtures, {});
 		testHelper.file("a");
-		testHelper.tick(function() {
+		testHelper.tick(1000, function() {
 			var a = d.watch(path.join(fixtures, "a"));
 			a.on("change", function(mtime) {
 				mtime.should.be.type("number");
diff --git a/test/Watchpack.js b/test/Watchpack.js
index 1911112..d3452d1 100644
--- a/test/Watchpack.js
+++ b/test/Watchpack.js
@@ -599,7 +599,7 @@ describe("Watchpack", function() {
 		testHelper.file("a");
 		testHelper.file("b");
 		var w = new Watchpack({
-			aggregateTimeout: 1500
+			aggregateTimeout: 1900
 		});
 		var removeEvents = [];
 		w.on("remove", function(file) {