diff --git a/test/unit/dom-repeat.html b/test/unit/dom-repeat.html
index bf9fd5a9d5..4743d4551a 100644
--- a/test/unit/dom-repeat.html
+++ b/test/unit/dom-repeat.html
@@ -3648,6 +3648,16 @@ <h4>x-repeat-chunked</h4>
 
     suite('chunked rendering', function() {
 
+      // Patch requestAnimationFrame to setTimeout to reduce flakiness on CI
+      var rAF;
+      suiteSetup(function() {
+        rAF = window.requestAnimationFrame;
+        window.requestAnimationFrame = setTimeout;
+      });
+      suiteTeardown(function() {
+        window.requestAnimationFrame = rAF;
+      });
+
       test('basic chunked rendering', function(done) {
 
         var checkItemOrder = function(stamped) {