diff --git a/Makefile b/Makefile
index 9f9103b7d624..27163aa7e8d8 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 FLOW_COMMIT = a1f9a4c709dcebb27a5084acf47755fbae699c25
-TEST262_COMMIT = df1961f16a7cdae0bcd9d6a0004b9fda1895a9ef
+TEST262_COMMIT = a840b0d093cafffd38f1329a4539a367e958b893
 TYPESCRIPT_COMMIT = da8633212023517630de5f3620a23736b63234b1
 
 # Fix color output until TravisCI fixes https://github.com/travis-ci/travis-ci/issues/7967